Humans infecting animals infecting humans—from COVID-19 to bird flu, preventing pandemics requires protecting all

When the World Health Organization declared COVID-19 a pandemic on March 11, 2020, humans had been the only species with reported cases of the disease. While early genetic analyses pointed to horseshoe bats as the evolutionary hosts of SARS-CoV-2, the virus that causes COVID-19, no reports had yet surfaced indicating it could be transmitted from humans to other animal species.

This article was originally published on MedicalXpress.com

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