COVID-19
WHAT IS COVID-19? coronavirus disease (covid-19) The first microscopic image -- From Indian Scientist of what the coronavirus looks like: coronavirus is responsible for wide range of deaseses , Alpha- coronaviruses (Alpha-Covs) and Beta-coronaviruses (Beta-Covs) originated from bats and rats ; Gamma-coronaviruses (Gamma-CoVs) and Delta-coronaviruses (Delta - CoVs) originated from birds . In human 7 human coronaviruses (coVs) have been indentified so far! Dangerous human CoVs(3) - all beta - CoVs: Commom human CoVs(4): - SARS-CoVs = SARS epidemic (2002-2003) - Alpha-CoVs (9%fatality) ...