- In the history of humanity, several pandemics
have produced high death rates worldwide. Microscopic
agents cause diseases. One of them is influenza
considered an infectious disease caused by the
coronavirus, which undergoes mutations from time to
time. Generating new strains: Currently an outbreak of
coronavirus, SARS COV 2 is causing deaths and shocks
worldwide, due to its rapid spread, has paralyzed
industries, commerce, tourism, production and the
economy.
Keywords :
Coronavirus. Mortality. Symptoms.
