COVID-19 official counts can miss mild cases – here's how serosurveys that analyze blood for signs of past infection can help - The Conversation Indonesia

Your blood can hold a record of past illnesses. That information can reveal how many people have had a certain infection – like 58% of Americans having had COVID-19 by the end of February 2022.

Its an eye-catching statistic: 58% of the whole population and 75% of kids in the U.S. had been infected by the coronavirus by the end of February 2022. Thats a pretty big jump from the official case… [+7505 chars]

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