Identification/Prediction Algorithms for Armax Models with Relaxed Positive Real Conditions

Author(s):  
J. B. Moore ◽  
M. Niedzwiecki ◽  
Lige Xia
2019 ◽  
Vol 7 (9) ◽  
pp. 78-85
Author(s):  
Dimple Singh ◽  
Pritam . ◽  
Neelam Duhan ◽  
Komal Kumar Bhatia

2020 ◽  
Vol 53 (2) ◽  
pp. 2051-2056
Author(s):  
Chan-eun Park ◽  
In Seok Park ◽  
Nam Kyu Kwon ◽  
PooGyeon Park
Keyword(s):  

2021 ◽  
Vol 69 (1) ◽  
Author(s):  
Muhammad Adel ◽  
Ahmed Magdy

Abstract Background Coronavirus disease (COVID-19) presents in children usually with less severe manifestations than in adults. Although fever and cough were reported as the most common symptoms, children can have non-specific symptoms. We describe an infant with aplastic anemia as the main manifestation. Case presentation We describe a case of SARS-CoV-2 infection in an infant without any respiratory symptoms or signs while manifesting principally with pallor and purpura. Pancytopenia with reticulocytopenia was the predominant feature in the initial laboratory investigations, pointing to aplastic anemia. Chest computed tomography surprisingly showed typical findings suggestive of SARS-CoV-2 infection. Infection was later confirmed by positive real-time reverse transcription polymerase chain reaction assay (RT-PCR) for SARS-CoV-2. Conclusions Infants with COVID-19 can have non-specific manifestations and a high index of suspicion should be kept in mind especially in regions with a high incidence of the disease. Chest computed tomography (CT) and testing for SARS-CoV-2 infection by RT-PCR may be considered even in the absence of respiratory manifestations.


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