Adults aged 20 to 49 are the biggest spreaders of COVID-19 in the United States, study finds
[ad_1] Adults between the ages of 20 and 49 are the biggest spreaders of COVID-19 in the United States, according to British researchers who say targeting this age group for vaccination could speed up the reopening of schools. A team from Imperial College London used cell phone data from more than 10 million people to … Read more