scholarly journals Impact of Nonpharmacological Public Health Interventions on Epidemiological Parameters of COVID-19 Pandemic in India

Author(s):  
Pradip Kharya ◽  
Anil Ramesh Koparkar ◽  
Anand Mohan Dixit ◽  
Hari Shanker Joshi ◽  
Rama Shankar Rath

Abstract Public health interventions are epidemiologically sound cost-effective methods to control the disease burden. Non-pharmacological Interventions are the only mode to control the disease in the absence of medications. To find the impact interventions on the epidemiological indicators of disease progression. This is a secondary data analysis done on COVID-19 data. Median Doubling Time and R0 were calculated for a rolling period of seven days. Interventions were scored from zero to three with the increasing level of stringency. Multivariate linear regression was performed to find the role of individual interventions on R0 and Median Doubling Time. The highest intervention score was reported in the lockdown phase which gradually decreased to lowest level of 22. R0 values settled to a level of 1.25 and the median doubling time increased to 20 days at the end of the study. Public awareness and public health laws were found to be related to both R0 and median doubling time in the Pre-lockdown phase only. Implementation of interventions at the ground level is one of the key factors of the success of PHI. Post implementation poor effectiveness of many interventions is evident from the study. Further studies related to the sequence of interventions is required to further analyse the poor effect of interventions.

2018 ◽  
Vol 13 (2) ◽  
Author(s):  
Shamoon Noushad ◽  
Shershah Syed ◽  
Sadaf Ahmed

Aims: To explore the impact of obstetric fistula in the county and to propose effective public health interventions that can help to prevent the condition with a long-term goal of eradicating the condition. Methods: The survey and analysis included secondary data addressing women's experiences of fistula; dynamics and limitationsdetermining women's access to in healthcare facilities for fistula management; and restraintsof health professional as well as health inequities. Results: It was assessed that recently, many hospitals and organizations in the country go on board on intercessions to address the impact of the illness, however, much importance is on pinpointing and discussing the existing cases rather than focusing on public health interventions that can help to prevent and eventually eradicate the condition in Pakistan.


2020 ◽  
Vol 30 (Supplement_5) ◽  
Author(s):  
S Percic ◽  
A Hojs ◽  
T Cegnar ◽  
M Pohar ◽  
H Mozina

Abstract Background Morbidity increases during the summer heatwaves globally. Despite increasing heat load, public health efforts probably improve public awareness and behavior. Our study aimed to assess whether ED visits during heatwaves in Slovenia decreased in the last years. Patients and Methods We analyzed data from the Ljubljana University Medical Centre database for consecutive patients arriving at ED, covering the Osrednjeslovenska region (around 650.000 people) in the summer period 2013 to 2017. We estimated relative risks for a number of ED visits for the observed diagnoses, sex, and age, as well as 95% confidence intervals and excess ED visits associated with heatwaves occurring in all observed years. Results Statistically significant were: in 2013: all, all causes (RT 0.78 (95% IZ, 0,72-0,85)); male, all causes (0.78 (0.70-0.88)); female, all causes(0.77 (0.68-0.87)); 75+ years, all causes (0.79 (0.70-0.91)); all, circulatory system (0.74 (0.63-0.86)); male, circulatory system (0.74 (0.60-0.91)); female, circulatory system (0.74 (0.59-0.93)) and all, digestive system (0.7 (0.35-0.91), in 2014: all, all causes (1.17 (1.07-1.28)); male, all causes (1.14 (1.01-1.29)); female, all causes (1.2 (1.06-1.35)) and all, 75+ years, all causes (1.21 (1.06-1.38)), in 2015: all, all causes (1.08 (1.01-1.16)); female, all causes (1.1 (0.01-1.22)); all, endocrine diseases (1.47 (1.03-2.1)), in 2016: all, all causes (0.92 (0.86-0.98)) and all, 75+ years, all causes (0.9 (0.81-0.99), in 2017: all, 75+ years, all causes (0.89 (0.81-0.97)), all, circulatory system (0.86 (0.77-0.96)), female, circulatory system (0.83 (0.7-0.97)); all, digestive system (0.76 (0.32-0.93)) and all, endocrine diseases (1.38 (1.02-1.85)). Conclusions The scientific evidence shows that it is possible to influence heat-related outcomes with proper public health interventions. The results of our research show a decrease in ED visits during heatwaves and support the hypothesis that public behavior is changing. Key messages ED visits due to heatwaves can be preventable. In Slovenia we are on good way with public health interventions. Heatwaves will become more frequent, more intense and will last longer, so we must continue with public health efforts.


2021 ◽  
Vol 11 (1) ◽  
Author(s):  
Jie Zhu ◽  
Blanca Gallego

AbstractEpidemic models are being used by governments to inform public health strategies to reduce the spread of SARS-CoV-2. They simulate potential scenarios by manipulating model parameters that control processes of disease transmission and recovery. However, the validity of these parameters is challenged by the uncertainty of the impact of public health interventions on disease transmission, and the forecasting accuracy of these models is rarely investigated during an outbreak. We fitted a stochastic transmission model on reported cases, recoveries and deaths associated with SARS-CoV-2 infection across 101 countries. The dynamics of disease transmission was represented in terms of the daily effective reproduction number ($$R_t$$ R t ). The relationship between public health interventions and $$R_t$$ R t was explored, firstly using a hierarchical clustering algorithm on initial $$R_t$$ R t patterns, and secondly computing the time-lagged cross correlation among the daily number of policies implemented, $$R_t$$ R t , and daily incidence counts in subsequent months. The impact of updating $$R_t$$ R t every time a prediction is made on the forecasting accuracy of the model was investigated. We identified 5 groups of countries with distinct transmission patterns during the first 6 months of the pandemic. Early adoption of social distancing measures and a shorter gap between interventions were associated with a reduction on the duration of outbreaks. The lagged correlation analysis revealed that increased policy volume was associated with lower future $$R_t$$ R t (75 days lag), while a lower $$R_t$$ R t was associated with lower future policy volume (102 days lag). Lastly, the outbreak prediction accuracy of the model using dynamically updated $$R_t$$ R t produced an average AUROC of 0.72 (0.708, 0.723) compared to 0.56 (0.555, 0.568) when $$R_t$$ R t was kept constant. Monitoring the evolution of $$R_t$$ R t during an epidemic is an important complementary piece of information to reported daily counts, recoveries and deaths, since it provides an early signal of the efficacy of containment measures. Using updated $$R_t$$ R t values produces significantly better predictions of future outbreaks. Our results found variation in the effect of early public health interventions on the evolution of $$R_t$$ R t over time and across countries, which could not be explained solely by the timing and number of the adopted interventions.


2021 ◽  
Author(s):  
Jianhong Wu ◽  
Francesca Scarabel ◽  
Bushra Majeed ◽  
Nicola Luigi Bragazzi ◽  
James Orbinski

Sexual Health ◽  
2012 ◽  
Vol 9 (3) ◽  
pp. 272 ◽  
Author(s):  
Kellie S. H. Kwan ◽  
Carolien M. Giele ◽  
Heath S. Greville ◽  
Carole A. Reeve ◽  
P. Heather Lyttle ◽  
...  

Objectives To describe the epidemiology of congenital and infectious syphilis during 1991–2009, examine the impact of public health interventions and discuss the feasibility of syphilis elimination among Aboriginal people in Western Australia (WA). Methods: WA congenital and infectious syphilis notification data in 1991–2009 and national infectious syphilis notification data in 2005–2009 were analysed by Aboriginality, region of residence, and demographic and behavioural characteristics. Syphilis public health interventions in WA from 1991–2009 were also reviewed. Results: During 1991–2009, there were six notifications of congenital syphilis (50% Aboriginal) and 1441 infectious syphilis notifications (61% Aboriginal). During 1991–2005, 88% of notifications were Aboriginal, with several outbreaks identified in remote WA. During 2006–2009, 62% of notifications were non-Aboriginal, with an outbreak in metropolitan men who have sex with men. The Aboriginal : non-Aboriginal rate ratio decreased from 173 : 1 (1991–2005) to 15 : 1 (2006–2009). Conclusions: These data demonstrate that although the epidemiology of syphilis in WA has changed over time, the infection has remained endemic among Aboriginal people in non-metropolitan areas. Given the continued public health interventions targeted at this population, the limited success in eliminating syphilis in the United States and the unique geographical and socioeconomic features of WA, the elimination of syphilis seems unlikely in this state.


Author(s):  
Katharina Hauck

Economics can make immensely valuable contributions to our understanding of infectious disease transmission and the design of effective policy responses. The one unique characteristic of infectious diseases makes it also particularly complicated to analyze: the fact that it is transmitted from person to person. It explains why individuals’ behavior and externalities are a central topic for the economics of infectious diseases. Many public health interventions are built on the assumption that individuals are altruistic and consider the benefits and costs of their actions to others. This would imply that even infected individuals demand prevention, which stands in conflict with the economic theory of rational behavior. Empirical evidence is conflicting for infected individuals. For healthy individuals, evidence suggests that the demand for prevention is affected by real or perceived risk of infection. However, studies are plagued by underreporting of preventive behavior and non-random selection into testing. Some empirical studies have shown that the impact of prevention interventions could be far greater than one case prevented, resulting in significant externalities. Therefore, economic evaluations need to build on dynamic transmission models in order to correctly estimate these externalities. Future research needs are significant. Economic research needs to improve our understanding of the role of human behavior in disease transmission; support the better integration of economic and epidemiological modeling, evaluation of large-scale public health interventions with quasi-experimental methods, design of optimal subsidies for tackling the global threat of antimicrobial resistance, refocusing the research agenda toward underresearched diseases; and most importantly to assure that progress translates into saved lives on the ground by advising on effective health system strengthening.


Author(s):  
Hyunju Lee ◽  
Heeyoung Lee ◽  
Kyoung-Ho Song ◽  
Eu Suk Kim ◽  
Jeong Su Park ◽  
...  

Abstract Background Coronavirus disease 2019 (COVID-19) was introduced in Korea early with a large outbreak in mid-February. We reviewed the public health interventions used during the COVID-19 outbreak and describe the impact on seasonal influenza activity in Korea. Methods National response strategies, public health interventions and daily COVID-19–confirmed cases in Korea were reviewed during the pandemic. National influenza surveillance data were compared between 7 sequential seasons. Characteristics of each season, including rate of influenza-like illness (ILI), duration of epidemic, date of termination of epidemic, distribution of influenza virus strain, and hospitalization, were analyzed. Results After various public health interventions including enforced public education on hand hygiene, cough etiquette, staying at home with respiratory symptoms, universal mask use in public places, refrain from nonessential social activities, and school closures the duration of the influenza epidemic in 2019/2020 decreased by 6–12 weeks and the influenza activity peak rated 49.8 ILIs/1000 visits compared to 71.9–86.2 ILIs/1000 visits in previous seasons. During the period of enforced social distancing from weeks 9–17 of 2020, influenza hospitalization cases were 11.9–26.9-fold lower compared with previous seasons. During the 2019/2020 season, influenza B accounted for only 4%, in contrast to previous seasons in which influenza B accounted for 26.6–54.9% of all cases. Conclusions Efforts to activate a high-level national response not only led to a decrease in COVID-19 but also a substantial decrease in seasonal influenza activity. Interventions applied to control COVID-19 may serve as useful strategies for prevention and control of influenza in upcoming seasons.


Epidemiology ◽  
2017 ◽  
Vol 28 (6) ◽  
pp. 889-897 ◽  
Author(s):  
Esra Kürüm ◽  
Joshua L. Warren ◽  
Cynthia Schuck-Paim ◽  
Roger Lustig ◽  
Joseph A. Lewnard ◽  
...  

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