COVID Fight Moves to the Wild
Scientists are testing some animals for COVID. Some believe variants like Omicron started in the wild before jumping to humans.
Source : https://learningenglish.voanews.com/a/covid-fight-moves-to-the-wild/6508412.html
Scientists are testing some animals for COVID. Some believe variants like Omicron started in the wild before jumping to humans.
Source : https://learningenglish.voanews.com/a/covid-fight-moves-to-the-wild/6508412.html
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