Omicron caused an increase in breathing problems in babies and toddlers, study finds
Enlarge / Parents tend to their 5-year-old son, who is being treated for croup and asthma in a California hospital emergency room March 24, 2010. The omicron variant of the coronavirus has caused an increase in cases of potentially serious respiratory disorders in babies and toddlers, according to a hospital study recently published in the … Read more