Abstract:Background:
The COVID-19 pandemic had infected more than 3.5M people around the world and more than
250K people died in 187 countries by May 2020. The causal agent of this disease is a coronavirus whose onset of symptoms
to death range from 6 to 41 days with a median of 14 days. This period is dependent on several factors such as the presence
of comorbidities, age and the efficiency of the innate or adaptive immune responses. The effectors mechanisms of both
types of immune responses depend on the pathogen inv… Show more
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