[ad_1] A young version of the coronavirus accounts for a quarter of Covid cases in the United States and over 70 percent of new cases in the Northeast. [ad_2] Source link
[ad_1] Adolescents who frequented social media showed an increased sensitivity to peer feedback, although the cause of the changes was not clear. [ad_2] Source link
[ad_1] RSV may have peaked, but the flu is still rising and cases of Covid-19 are on the rise. Scientists hope that next winter will be better. [ad_2] Source link