美国疾病控制和预防中心(CDC)在1月4日更新了其Covid-19隔离期指南,称如果有机会进行Covid-19测试而且想要接受测试,最好的方法是在他们的5天隔离期结束时进行快速测试。 据美国有线电视新闻网CNN报导,在过去的一周里,CDC面临着来自外部医学专家的压力,要求在新的、被缩短的隔离期指南中,增加关于病毒测试方面的建议。
To allow timely sharing with other countries of the most up-to-date COVID-19 control and prevention information, particularly as developing countries often have weaker healthcare systems and resources, a critical multilingual manual has been published in both English and French by the Chinese Center...
Get links to some of the latest info about COVID-19 from the US Centers for Disease Control and Prevention. and US Clinical Trials.
Conclusions: Since the XBB lineages became dominant, adults "up-to-date" on COVID-19 vaccination by the CDC definition do not have a lower risk of COVID-19 than those "not up-to-date", bringing into question the value of this risk classification definit...
New CDC data is offering up-to-date insights into the effect of the Delta variant on vaccine effectiveness. The reports indicate unvaccinated people are still 10 times more likely to suffer hospitalization from COVID-19 compared to vaccinated people.
CDC's Kristie Clarke, co-author of the report, told a media briefing Tuesday that the finding means many people have at least some immunity to the virus. But CDC officials recommend all eligible persons stay up to date with vaccination, including those with previous COVID-19 infection, becaus...
Under the current level, the CDC advises that travelers be up to date with Covid-19 vaccines before cruising and warns those who are not up to date with their vaccinations or are at increased risk for severe illness should avoid cruise travel. ...
(regardless of vaccination status) should be hanging around others. Those who suspect that they have COVID-19 should get tested. If negative, they can end isolation. If positive, stay home for at least five days and isolate yourself from others in your home. You are likel...
The CDC has eliminated the recommendation that any individual exposed to COVID-19 should self-quarantine, so long as the individual remains asymptomatic. Previously, the CDC recommended a five-day or longer quarantine for anyone exposed to COVID-19 who was not up to date on their vaccines and...
a little more than half of Americans in this age group are fully vaccinated."This booster dose will provide optimized protection against COVID-19 and the Omicron variant. I encourage all parents to keep their children up to date with CDC's COVID-19 vaccine recommendations," said CDC Director...