COVID-19 may not have appeared first in China, suggests new genomic study – News-Medical.Net


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Tweet The causative pathogen of coronavirus disease 2019 (COVID-19) – severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) – has led to the largest pandemic of modern times. This virus is one of seven coronaviruses known to cause human disease. While closely related to the SARS-CoV of 2002, it is far more infectious and has a long incubation period. Thus, though it is much less deadly than the former, it has led to millions of deaths worldwide. The first case was reported from a seafood market…