A swine flu case in Spain with no pig exposure has raised questions about how the virus spread and triggered international health monitoring.
A giant virus discovered in Japan is adding fuel to the provocative idea that viruses helped create complex life. Named ushikuvirus, it infects amoebae and shows unique traits that connect different ...
CIA analysts now believe the virus behind the COVID-19 pandemic more than likely began inside China’s Wuhan Institute of Virology, a position that health experts once dismissed as disinformation and a ...
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