What to know about COVID-19 variants
By Dr. Lauren R. Richter
September 2, 2021
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from Health
Dr. Lauren R. Richter
, ABC News
Younger children more likely to spread COVID-19, study finds
By Sony Salzman and Dr. Lauren R. Richter
August 16, 2021
Story
from Health
Sony Salzman, Dr. Lauren R. Richter
, ABC News