THE SARS COV 2 (SEVERE ACUTE RESPIRATORY SYNDROME 2) IS ONE OF SEVEN CORONAVIRUSES-
HOW DOES THE VIRUS INFECT THE HUMAN CELLS?
ORIGIN OF THE VIRUS -
A zoonosis is an infectious disease that has jumped from a non-human animal to humans. Zoonotic pathogens may be bacterial, viral or parasitic, or may involve unconventional agents and can spread to humans through direct contact or through food, water or the environment.