Diseases, Conditions, Syndromes

Why the origins of zoonotic diseases are difficult to track

About two years into the pandemic, we're still trying to find where and how it all started. Only last week, we heard bats in Laos may hold a clue about the origin of SARS-CoV-2, the virus that causes COVID.

Genetics

Scientist explains genome sequencing of SARS-CoV-2

The COVID-19 omicron variant has been reported in nearly half of the U.S. states since it was first detected in California on Dec. 1. The second known case of omicron in the country was identified in Minnesota.

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