Unusual influenza viruses keep making headlines. A virologist explains how they decide if something is worth fretting about.
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The court’s decision has wider implications for international criminal law.
A four-year-old female Malayan tiger has tested positive for COVID-19, with six other tigers and lions showing symptoms. It’s the first known case of a ‘wild’ animal catching the disease.
When colonisers invaded the Americas, they brought with them waves of new diseases. This legacy continues to impact Indigenous communities.



