We will continue to see the lopsided impact of COVID among the unvaccinated, as they represent the vast majority of severe illnesses, hospitalizations and deaths," said ABC News contributor Dr....
John Brownstein, chief innovation officer at Boston Children's Hospital. The hospital sampling also appears to be reflective of a national trend....
According to the White House COVID-19 Task Force, severe breakthrough infections remain uncommon, and nearly all of the patients who are currently hospi
综合
ABC新闻-美国新闻
2021-07-29 00:00:00.0