COVID-19
Coronavirus disease 2019 is a contagious disease caused by the virus SARS-CoV-2. The first known case was identified in Wuhan, China, in December 2019. The disease quickly spread worldwide, resulting in the COVID-19 pandemic.Wikipedia
Symptoms:Fever, cough, fatigue, shortness of breath, vomiting, loss of taste or smell, some cases asymptomatic
Complications:Pneumonia, sepsis, ARDS, kidney failure, respiratory failure, pulmonary fibrosis, CKS, MIS-C, long COVID
Usual onset:2–14 days (typically 5), after infection