Survival of classic swine fever virus in hams made from the meat of pigs vaccinated with the PAV-250 strain and unvaccinated pigs

2019 ◽  
Vol 10 (3) ◽  
pp. 536-551
Author(s):  
Heidi Amezcua Hempel ◽  
María Salud Rubio Lozano ◽  
Eliseo Manuel Hernández Baumgarten ◽  
Pablo Correa Girón † ◽  
Oscar Torres Ángeles ◽  
...  
Keyword(s):  
Reference Strain ◽  
Clinical Signs ◽  
Classical Swine Fever ◽  
Fever Virus ◽  
Direct Immunofluorescence ◽  
Biometric Analysis ◽  
Treatment Groups ◽  
Group A ◽  
Group B ◽  
Group D

The study was to determine the presence of Classical Swine Fever virus (CSFv), in the meat of vaccinated pigs with the PAV-250 strain and then challenged using the same strain. Five treatment groups were established (each with four pigs). Group A: Pigs thatwere fed with processed hams from negative animals; Group B: Pigs that were fed with processed hams from commercial pigs inoculated with the ALD (reference strain) (titre of 104.0/ml); Group C: Pigs fed with processed hams from pigs infected with the virulent ALD strain (titre of 102.5/ml); Group D: Pigs fed with processed hams from pigs vaccinated with the PAV-250 strain and challenged with the ALD strain (titre of 101.1/ml); and Group E: Pigs fed with processed hams from pigs vaccinated with two doses of the PAV-250 strain and challenged with the ALD strain (negative). Blood samples were taken at d 1, 5, 10, 15 and 20 for biometric analysis. Groups B, C and D manifested clinical signs of CSFv: 40 °C temperature, anorexia, paralysis, vomiting, diarrhea, tremor, hirsute hair and cyanosis. Pigs were slaughtered and necropsies performed to identify lesions in tissues. Results of direct immunofluorescence testing of tissues were positive and the virus was recovered. Under these study conditions, it was found that CSFv resisted the cooking method at 68 °C for 40 min in hams from unvaccinated pigs, and that the virus was able to transmit the disease to healthy unvaccinated pigs, whereas the hams from the vaccinated animals did not transmit the virus.

scholarly journals Experimental poisoning by Crotalaria lanceolata and Crotalaria pallida seeds in broilers

2019 ◽  
Vol 39 (11) ◽  
pp. 863-869
Author(s):  
Thaiza Savaris ◽  
Claudia P. Biffi ◽  
Daiane Ogliari ◽  
Nathalia Wicpolt ◽  
Franciéli Adriane Molossi ◽  
...  
Keyword(s):  
Clinical Signs ◽  
Vacuolar Degeneration ◽  
Subcutaneous Edema ◽  
Group A ◽  
Gross Lesions ◽  
Crotalaria Pallida ◽  
Production Animals ◽  
Group B ◽  
Clinical Conditions ◽  
Group D

ABSTRACT: Crotalaria lanceolata E. Mey. and Crotalaria pallida Aiton. are leguminous plants of family Fabaceae found in most of the Brazilian territory. They were initially used as green manure and due their easy spread they are currently considered weeds in crops. Soybean and corn contamination can occur through the mechanical harvesting of these grains along with seeds of the Crotalaria species, which end up in the formulation of feed for production animals. Crotalaria spp. genus has toxic pyrrolizidine alkaloids (PA). Most plant species belonging to this genus can cause acute or chronic liver injury. In a first stage, one-day old broilers were divided into three groups: Group A (C. pallida seeds), Group B (C. lanceolata seeds), and Group C (Control). Groups A and B were divided into five subgroups, each with eight broilers, which received the following doses of the respective seeds in feed as of the 7th day of age: daily doses of 0.4%, 0.8% and 2.5%, and single doses of 15% and 25%. Four broilers in each study group were euthanized at 28 days of age - completing 21 days of seed consumption, and the four remaining broilers were euthanized at 42 days of age - completing 35 days of seed consumption. In a second stage, experiments were conducted using seeds of both the aforementioned plants with 28-day old broilers. These were divided into three groups of four animals each: Group D (C. pallida seeds) and Group E (C. lanceolata seeds), which received the respective seeds at daily doses of 1% and 2% in feed for 20 days, and Group F (Control). These broilers were euthanized when they were 80 days old. C. lanceolata seeds showed higher toxicity to broilers than C. pallida seeds, both supplied as of the 7th day of life. Clinical signs included inappetence, ruffled feathers, and brown diarrhea. The following gross lesions were observed: subcutaneous edema, ascites, hydropericardium, yellowish liver with hypertrophy or atrophy and enhanced lobular pattern, and distended gallbladder. Histologic lesions present in all birds in varying degrees were characterized by tumefaction and vacuolar degeneration of hepatocytes. The following clinical conditions and gross lesions were observed in the broilers: hepatocyte megalocytosis and karyomegaly, slight biliary epithelial hyperplasia, eosinophilic spheroids, and nuclear invagination with loss of hepatocyte cord architecture.

scholarly journals GAMBARAN HISTOPATOLOGI LAMBUNG TIKUS WISTAR (Rattus norvegicus) YANG DIBERIKAN LENGKUAS (Alpinia galanga Willd) SETELAH DIINDUKSI OLEH ASAM MEFENAMAT

2013 ◽  
Vol 1 (1) ◽  
Author(s):  
Juita Pasaribu ◽  
Lily Loho ◽  
Poppy Lintong
Keyword(s):  
Wistar Rats ◽  
Acute Inflammation ◽  
Inflammatory Cells ◽  
Control Group ◽  
Treatment Groups ◽  
Acute Gastritis ◽  
Group A ◽  
Mucosal Lining ◽  
Group B ◽  
Group D

Abstrak: Gastritis akut merupakan proses inflamasi yang bersifat akut dan biasanya terjadi pada bagian permukaan mukosa lambung. Penyakit ini biasanya disebabkan karena banyak faktor salah satunya yaitu penggunaan asam mefenamat dalam dosis yang berlebihan. Pada penelitian yang telah dilakukan sebelumnya didapatkan bahwa lengkuas dapat mengurangi terjadinya radang akut. Tujuan penelitian ini adalah untuk mengetahui gambaran histopatologi lambung tikus wistar yang diberikan lengkuas setelah diinduksi dengan asam mefenamat. Penelitian ini menggunakan metode eksperimental dengan sampel 11 ekor tikus wistar yang dibagi dalam 4 kelompok perlakuan. Kelompok A tidak diberikan perlakuan. Kelompok B diberikan asam mefenamat 10 mg selama 7 hari. Kelompok C diberikan asam mefenamat 10 mg selama 7 hari kemudian diberikan perasan lengkuas selama 7 hari. Kelompok D diberikan asam mefenamat 10 mg kemudian tidak diberikan perlakuan selama 7 hari. Hasil penelitian ini menunjukkan bahwa gambaran mikroskopik lambung tikus wistar pada kelompok C terdapat sel-sel radang PMN yang lebih sedikit dibandingkan dengan kelompok B dan D. Simpulan: lengkuas dapat mengurangi sel-sel radang PMN pada mukosa lambung yang diberikan dengan asam mefenamat. Kata kunci: Lengkuas, Asam Mefenamat, Gastritis akut.   Abstract : acute gastritis is an acute inflammatory process normally occurring in the mucosal lining of the stomach. This disease is caused by a variety of factors, one of which is the use of mefenamat acid in large doses. Previous research has revealed that galangal can be used to reduce acute inflammation. The objective of this research was to reveal the histopathological pictures of stomach of wistar rats that treatment with galangal after induce by mefenamat acid. This study is an experimental, employing 11 wistar rats which were assigned for four treatment groups. Group A was the control group in which the rats received no treatment. Rats in group B were administered mefenamat acid 10 mg for 7 days. In group C, the rats were also administered mefenamat acid 10 mg for 7 days and then received galangal distillation for 7 days. In group D, rats were administered mefenamat acid 10 mg for 7 days and then for 7 days without receiving anymore mefenamat acid or galangal distillation. Results showed that microscopic pictures of stomach of wistar rats in group C were presented with PMN inflammatory cells fewer than rats in group B and D. Conclusion: galangal can reduce PMN inflammatory cells in mucosal lining of the stomach exposed to mefenamat acid. Key words: galangal, mefenamat acid,  acute gastritis.

scholarly journals Impacts of Mycoplasma gallisepticum Vaccine on Newcastle Disease Vaccination and Protection in Parent Stock Flocks

1970 ◽  
Vol 24 (1) ◽  
pp. 62-64
Author(s):  
M Rayhan Faruque ◽  
Jens P Christensen
Keyword(s):  
Newcastle Disease ◽  
Haemagglutination Inhibition ◽  
Clinical Signs ◽  
Mycoplasma Gallisepticum ◽  
Post Mortem ◽  
Group A ◽  
Parent Stock ◽  
Group B ◽  
The Impact ◽  
Group D

The present study reports on the impact of Mycoplasma gallisepticum (MG) vaccination on vaccine respond and subsequent protection against Newcastle disease (ND) in parent stock flocks of Department of Livestock Services (DLS) using MG killed vaccine and conventional ND vaccines. Birds were grouped into four groups, each consisted of 50 birds from the same flock. Group A birds were vaccinated with ND, group B with ND and MG, group C with MG, and group D birds were kept as unvaccinated control. The parameters studied included detection of ND antibody, MG seroprevalance, mortality (%), and cause of death. The sera of groups B and C were sero-positive after administration of MG vaccine. The haemagglutination-inhibition (HI) titres of group A were higher than group B from week 4 after administration of MG vaccine to the birds of group B. The mortality was very low; one bird of group C died at week 5 due to traumatic injury and another bird of group D died at week 2 due to infectious bronchitis virus (IBV). After challenge, birds of groups A and B showed no clinical signs and normal post mortem findings were found. Birds of groups C and D showed clinical signs from day 3 and different pathological lesions were found in post mortem. The MG vaccination did not improve other parameters. Therefore, inoculation of MG INAC vaccine is not justified and is too expensive at farm levels.Keywords: Mycoplasma gallisepticum (MG) vaccine, Newcastle disease (ND) vaccination, Protection, MortalityDOI: http://dx.doi.org/10.3329/bjm.v24i1.1240   Bangladesh J Microbiol, Volume 24, Number 1, June 2007, pp 62-64 

scholarly journals General Disturbances and their Correlation to the Eruption of Primary Dentition in Children between 5 and 30 Months Age Group of Belgaum City: An Epidemiological Study

2011 ◽  
Vol 2 (1) ◽  
pp. 39-43
Author(s):  
Shobha Deshpande ◽  
Santosh M Sholapurmath ◽  
Shigli L Anand
Keyword(s):  
Clinical Manifestation ◽  
Clinical Symptoms ◽  
Scientific Information ◽  
Clinical Signs ◽  
Signs And Symptoms ◽  
Chi Square ◽  
Number Of Children ◽  
Group A ◽  
Group B ◽  
Group D

ABSTRACT Background and objective The effect of teething on infants health has been debated for at least 5000 years and traditional beliefs on issue have still not been entirely supplemented by scientific finding. This study has tried to gather scientific information of systemic/clinical signs and symptoms in scientific manner. The objectives of this study were: (1) To describe the most frequent objective clinical manifestation during the eruption of primary teeth, e.g. fever, diarrhea, drooling, fever-drooling, fever-diarrhea, drooling-diarrhea. (2) To assess the correlation between systemic symptoms and eruption of various group of teeth, e.g. incisor, canine, molar. Methods The survey was conducted in 500 children between 5 and 30 months and registered at child development center, KLES's Hospital and Medical Research Center, Nehru Nagar, Belgaum, Karnataka. A specially structured questionnaire was applied with face-to-face interview. Information was relayed in yes or no manner of objective manifestation during eruption of primary incisor, canine and molar which included drooling, diarrhea, fever and combination of these symptoms. Data were analyzed by descriptive statistic and Chi-square analyses. Results The study showed more number of children in group A (less than 12 months) manifested drooling symptoms. As the ages advances with group B (between 12 and 18 months), group C (between 18 and 24 months) and group D (above 24 months), clinical manifestation of saliva found to be reduced. The results of study showed that 87.78%; 57.8%; 57.55%; 25.7%; of children with erupting teeth demonstrated general clinical symptoms like drooling, diarrhea and fever. The presence of fever-diarrhea in this study within group A, group B, group C and group D showed highest number of children by the manifestation than any other codes evaluated in the study. Interpretation and conclusion Present data demonstrate association between fever-diarrhea observed in all group consistently when marked numerically. As the age advances the fever-diarrhea from group C (between 18 and 24 months) and group D (above 24 months) rank second and third. This ranking in group A (less than 12 months) and group B (between 12 and 18 months) at its highest position and attributable to lower immunity of infants. Further, virology study should be conducted on subjects to demonstrate any possible occurrence of systemic disturbances.

scholarly journals Effects of shilajit on the bone tissue of alcohol administered rats

2016 ◽  
Vol 4 (01) ◽  
pp. 74-80
Author(s):  
Payal Bhardwaj ◽  
Mehak Goel ◽  
Durg Vijay Rai
Keyword(s):  
Alkaline Phosphatase ◽  
Mechanical Strength ◽  
Bone Tissue ◽  
Treated Group ◽  
Alcohol Group ◽  
Treatment Groups ◽  
Group A ◽  
Anti Oxidant ◽  
Group B ◽  
Group D

Purpose: The purpose of the current study was to examine the effect of Shilajit; a herbomineral, supplementation on the mechanical strength of alcohol treated rat bone. Methods: Experimental animals each were assigned to six groups: group A(control): control rats were given water orally for a period of ten weeks; group B (treated): Animals were given processed shilajit (PS; 100mg/kg/day); group C (treated): Animals were given processed shilajit (PS; 200mg/kg/day); group D: animals were given 30% alcohol; group E: animals were given 30% alcohol and shilajit (100mg/kg/day) orally; group F: animals were given 30% alcohol and shilajit (200mg/kg/day) orally for ten weeks. Bone tissue mechanical strength along with bone weight, liver antioxidative enzymes and alkaline phosphatase (ALP) were assessed for all the treatment groups. Results: Mechanical strength of the bone tissue (both femur as well as tibia) was found to be significantly enhanced upon shilajit supplementation to alcohol treated group. Also, the activities of anti oxidant enzymes and alkaline phosphatase in the liver of alcohol administered groups were restored upon shilajit administration. Conclusion: These findings suggest that shilajit is very efficacious and competent in the maintenance of bone health.

Mycobacterial Cervical Adenitis in Children: Medical and Surgical Management

1993 ◽  
Vol 72 (11) ◽  
pp. 733-742 ◽  
Author(s):  
Donald B. Hawkins ◽  
Maisie L. Shindo ◽  
Emily J. Kahlstrom ◽  
Eithne F. MacLaughlin
Keyword(s):  
Cure Rate ◽  
Disease Treatment ◽  
Treatment Groups ◽  
Cervical Adenitis ◽  
Diagnostic Biopsy ◽  
Group A ◽  
Group B ◽  
Second Procedure ◽  
Time Of Presentation ◽  
Group D

This is a review of the treatment results of cervicofacial mycobacterial adenitis in 85 children and adolescents. Twenty-three patients were treated with only anti-tuberculous medications (Group A). Thirteen underwent surgical procedures at the time of presentation for drainage of abscess or diagnostic biopsy, followed by treatment with anti-tuberculous medications (Group B). Forty-nine were initially treated with anti-tuberculous medications, with or without needle aspirations, and subsequently required surgery for one of the following reasons: 1) drainage and/or excision of abscess (Group C); 2) diagnostic biopsy (Group D); and 3) excision of persistent, enlarging, or recurrent nodes, or of draining fistulas (Group E). Four patients who were initially treated with surgery required a second procedure for persistent or recurrent disease. The cure rate for patients treated only with medications (Group A) was 95%. The cure rate for patients in the surgical groups after the initial procedures were 50% for Group B, and 100% for Groups C, D, and E. The overall cure rate was 92% for surgical treatment groups B-E and 93% for all 5 treatment groups. The clinical features of the disease, treatment outcome, and guidelines for management are discussed.

scholarly journals Pengaruh pemberian ekstrak biji kakao (Theobroma cacao) terhadap jumlah pigmen melanin kulit tikus Wistar (Rattus novergicus) yang dipapar sinar matahari

2016 ◽  
Vol 4 (2) ◽  
Author(s):  
Koernia H. Yonathan ◽  
Poppy M. Lintong ◽  
Meilany F. Durry
Keyword(s):  
Treatment Group ◽  
Rattus Norvegicus ◽  
Negative Control ◽  
Sunlight Exposure ◽  
Cocoa Bean ◽  
Control Group ◽  
Treatment Groups ◽  
Group A ◽  
Group B ◽  
Group D

Abstract: Excessive exposure of sunlight may cause hyperpigmentation. Cocoa is a beneficial plant to the skin. This study was aimed to reveal the effect of cocoa bean extracts on the number of melanin pigments in rat skin after sun exposure. This was an experimental study using 25 Wistar rats (Rattus norvegicus) divided into one control group and four treatment groups. The treatment consisted of sunlight exposure for one hour/day and application of cocoa bean extract 1600 mg/day that varied among treatment groups. Group A was the negative control group (terminated at day 21). Group B, the treatment group 1, was exposed to sunlight for 30 days (terminated at day 31). Group C, the treatment group 2, was exposed to sunlight for 20 days (terminated at day 31). Group D, the treatment group 3, was divided into group D1 consisted of 2 rats and group D2 consisted of 3 rats. Group D1 was exposed to sunlight 30 minutes after the application of cocoa bean extract for 20 days (terminated at day 21). Group D2 was exposed to sunlight 30 minutes after the application of cocoa bean extract for 30 days (terminated at day 31). Group E was exposed to sunlight for 20 days and continued with the application of cocoa bean extract for the next 10 days (terminated at day 3). The results showed that sunlight exposure increased the number of melanin pigments in group B and C compared to group A. Group D showed fewer melanin pigments than group B and C. Group E showed fewer melanin pigments than group B, C, and D. Conclusion: Cocoa bean extract could reduce the number of skin melanin pigments in rats exposed to sunlight.Keywords: cocoa beans extract, sunlight, melanin pigment, skin Abstrak: Paparan sinar matahari yang berlebihan dapat menyebabkan hiperpigmentasi. Kakao merupakan tanaman yang berkhasiat untuk pemeliharaan kesehatan kulit. Penelitian ini bertujuan untuk mengetahui pengaruh pengolesan ekstrak biji kakao dan pemaparan sinar matahari terhadap jumlah pigmen melanin kulit tikus Wistar. Jenis penelitian ialah eksperimental dengan menggunakan 25 tikus Wistar (Rattus norvegicus) yang dibagi menjadi satu kelompok kontrol dan empat kelompok perlakuan. Perlakuan yang diberikan ialah paparan sinar matahari selama 1 jam/hari dan aplikasi ekstrak biji kakao dosis 1600 mg/hari yang bervariasi untuk masing-masing kelompok perlakuan. Kelompok A merupakan kontrol negatif (diterminasi hari ke-21). Kelompok B ialah kelompok perlakuan 1, diberi paparan sinar matahari selama 30 hari (diterminasi pada hari ke-31). Kelompok C ialah kelompok perlakuan 2, diberi paparan sinar matahari selama 20 hari (diterminasi hari ke-31). Kelompok D ialah kelompok perlakuan 3 yang dibagi menjadi kelompok D1 terdiri dari 2 tikus dan D2 dari 3 tikus. Kelompok D1 diberi paparan sinar matahari setelah diolesi ekstrak biji kakao 30 menit sebelumnya selama 20 hari (diterminasi hari ke-21). Kelompok D2 diberi paparan sinar matahari selama 1 jam setelah diolesi ekstrak biji kakao 30 menit sebelumnya selama 30 hari (diterminasi pada hari ke-31). Kelompok E ialah kelompok perlakuan 4 yang diberi paparan sinar matahari 20 hari dan dilanjutkan dengan pengolesan ekstrak biji kakao untuk 10 hari berikutnya (diterminasi hari ke-31). Hasil penelitian memperlihatkan bahwa kelompok B dan C menunjukkan peningkatan jumlah pigmen melanin dibandingkan kelompok A. Kelompok D menunjukkan jumlah pigmen melanin yang lebih sedikit dibandingkan kelompok B dan C. Kelompok E menunjukkan jumlah pigmen melanin yang lebih sedikit dibandingkan kelompok B, C, dan D. Simpulan: Ekstrak biji kakao dapat mengurangi jumlah pigmen melanin kulit tikus Wistar yang dipapar sinar matahari. Kata kunci: ekstrak biji kakao, sinar matahari, pigmen melanin kulit

scholarly journals Selective COX-2 inhibitor reduces bone healing in bone defects

2005 ◽  
Vol 19 (4) ◽  
pp. 312-316 ◽  
Author(s):  
Bruno César de Vasconcelos Gurgel ◽  
Fernanda Vieira Ribeiro ◽  
Marco Antônio Dias da Silva ◽  
Francisco Humberto Nociti Júnior ◽  
Antonio Wilson Sallum ◽  
...  
Keyword(s):  
Bone Healing ◽  
Saline Solution ◽  
Cyclooxygenase 2 ◽  
Continuous Administration ◽  
Treatment Groups ◽  
Calvarial Defects ◽  
Male Wistar Rats ◽  
Group A ◽  
Group B ◽  
Group D

Anti-inflammatory agents have been reported to regulate bone healing. The aim of this study was to investigate the effect of a selective cyclooxygenase-2 inhibitor (meloxicam) on bone healing in calvarial defects in rats. Thirty-six adult male Wistar rats were included. After anesthesia, a linear incision was made through the skin of the scalp, a full-thickness flap was reflected and a 4 mm round defect was made with a trephine drill. The animals were randomly assigned to one of the following 4 treatment groups (9 animals each), including daily subcutaneous injections: A: saline solution for 15 days; B: saline solution for 45 days; C: 3 mg/kg of meloxicam for 15 days and D: 3 mg/kg of meloxicam for 45 days. The animals were sacrificed and the specimens, routinely processed. The bone filling was histometrically measured and statistical analysis, performed. Intergroup comparisons demonstrated that the meloxicam groups presented a significant reduction in bone healing when compared to their respective controls (group A, 44.5 ± 5.75%, against group C, 57.5 ± 7.25%, p < 0.05; group B, 40.25 ± 13.75%, against group D, 52.25 ± 17.25%). Within the limits of the present study, it can be concluded that selective cyclooxygenase-2 inhibitors may reduce bone healing in calvarial defects in rats after continuous administration.

Oestrous synchronization in ewes: a comparison of prostaglandin F2α tham salt with a progestagen pessary

1984 ◽  
Vol 39 (2) ◽  
pp. 229-233 ◽  
Author(s):  
D. C. Henderson ◽  
J. M. Downing ◽  
N. F. G. Beck ◽  
J. L. Lees
Keyword(s):  
Effective Means ◽  
Prostaglandin F2α ◽  
Treatment Groups ◽  
Return Rates ◽  
End Of Treatment ◽  
Prostaglandin F ◽  
Group A ◽  
Single Mating ◽  
Group B ◽  
Group D

ABSTRACTAn experiment was designed to compare saline, prostaglandin F2α tham salt and progestagen pessaries as agents for oestrous synchronization in mature cyclic ewes maintained under normal husbandry conditions. The effect of these agents on ewe fertility and lambing performance was also assessed.One hundred and sixty Clun Forest ewes were allocated to one of four equal-sized treatment groups and received either two injections of saline given 9 days apart (group A), two injections of 10 mg (group C) or 20 mg (group D) postaglandin F2α tham salt given 9 days apart, or progestagen pessaries left in situ for 12 days (group B). Oestrous response, fertility and lambing performance were monitored thereafter. Oestrus occurred within 3 days of the end of treatment in 0·28, 0·98, 0·58 and 0·83 of ewes in groups A to D respectively, with return rates after a single mating of 0·15, 0·13, 0·25 and 0·33 respectively. There was no difference between treatments in lambing performance. These results indicate that two injections of either 10 or 20 mg prostaglandin F2α given 9 days apart is a less effective means of synchronizing oestrus in sheep than progestagen pessaries.

scholarly journals The Role of Obesity in Predicting the Clinical Outcomes of COVID-19

Obesity Facts ◽  
2021 ◽  
pp. 1-9
Author(s):  
Serdar Sahin ◽  
Havva Sezer ◽  
Ebru Cicek ◽  
Yeliz Yagız Ozogul ◽  
Murat Yildirim ◽  
...  
Keyword(s):  
Clinical Outcomes ◽  
Health Care Providers ◽  
Study Groups ◽  
Normal Weight ◽  
Overweight And Obesity ◽  
Care Providers ◽  
Significant Difference ◽  
Group A ◽  
Group B ◽  
Group D

<b><i>Introduction:</i></b> The aim of this was to describe the predictors of mortality related to COVID-19 infection and to evaluate the association between overweight, obesity, and clinical outcomes of COVID-19. <b><i>Methods:</i></b> We included the patients &#x3e;18 years of age, with at least one positive SARS-CoV-2 reverse transcriptase-polymerase chain reaction. Patients were grouped according to body mass index values as normal weight &#x3c;25 kg/m<sup>2</sup> (Group A), overweight from 25 to &#x3c;30 kg/m<sup>2</sup> (Group B), Class I obesity 30 to &#x3c;35 kg/m<sup>2</sup> (Group C), and ≥35 kg/m<sup>2</sup> (Group D). Mortality, clinical outcomes, laboratory parameters, and comorbidities were compared among 4 groups. <b><i>Results:</i></b> There was no significant difference among study groups in terms of mortality. Noninvasive mechanical ventilation requirement was higher in group B and D than group A, while it was higher in Group D than Group C (Group B vs. Group A [<i>p</i> = 0.017], Group D vs. Group A [<i>p</i> = 0.001], and Group D vs. Group C [<i>p</i> = 0.016]). Lung involvement was less common in Group A, and presence of hypoxia was more common in Group D (Group B vs. Group A [<i>p</i> = 0.025], Group D vs. Group A [<i>p</i> &#x3c; 0.001], Group D vs. Group B [<i>p</i> = 0.006], and Group D vs. Group C [<i>p</i> = 0.014]). The hospitalization rate was lower in Group A than in the other groups; in addition, patients in Group D have the highest rate of hospitalization (Group B vs. Group A [<i>p</i> &#x3c; 0.001], Group C vs. Group A [<i>p</i> &#x3c; 0.001], Group D vs. Group A [<i>p</i> &#x3c; 0.001], Group D vs. Group B [<i>p</i> &#x3c; 0.001], and Group D vs. Group C [<i>p</i> = 0.010]). <b><i>Conclusion:</i></b> COVID-19 patients with overweight and obesity presented with more severe clinical findings. Health-care providers should take into account that people living with overweight and obesity are at higher risk for COVID-19 and its complications.

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