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Omicron symptoms: What we know about illness caused by the new subvariants
NBC News via Yahoo News· 1 year agoThe omicron variant of the coronavirus was first detected in late 2021. It has since swept the...
What are viruses anyway, and why do they make us so sick? 5 questions answered
The Conversation via Yahoo News· 2 years agoPatients infected with COVID-19 rest at a temporary hospital in Wuhan, China, Feb. 17, 2020. Getty...
As COVID turns 3, experts worry where the next pandemic will come from – and if we'll be ready
USA TODAY via Yahoo News· 1 year agoFor years, public health experts warned of the possibility of an illness spreading across the globe...
