接种过一次或多次 COVID-19 疫苗,不会影响其 SARS-CoV-2 诊断或筛查测试-核酸扩增测试 [NAAT]、抗原或其他诊断测试的结果。 mRNA COVID-19 疫苗使用 SARS-CoV-2 刺突蛋白产生免疫反应,刺突蛋白 IgM/IgG血清学(抗体)检测呈阳性可能表明既往感染或接种过疫苗。 ...
ICATT站点免费向有或没有健康保险且出现症状或接触过COVID-19患者的人提供COVID-19检测。这些测试向第三方付款人收费，例如医疗保险、医疗补助和私人健康保险公司。没有健康保险的人不必在 ICATT 地点支付 COVID-19 测试费用。消费者可以在 testinglocator.cdc.gov 访问测试定位器。美国卫生与公众服务部 CDC每周24...
Omicron BA.5 Makes up 82% of COVID Variants in U.S. - CDC More Reuters FILE PHOTO: People wait to take coronavirus disease (COVID-19) tests at a pop-up testing site in New York City, U.S., July 11, 2022. REUTERS/Brendan McDermid/File Photo (Reuters) - The BA.5 ...
美国疾控中心(CDC)决定撤销要求所有从外国入境的航空公司的旅客或其他航空旅客在登机前往美国前需出示COVID-19阴性检测结果或从COVID-19中康复的证明文件的命令,自美国东部夏令时6月12日(星期日)12:01起生效。CDC要求非美国公民的非移民在...
She said it's also not yet clear how effective antigen tests are at detecting transmissibility at day five. The CDC also shortened its quarantine period for people who are exposed to Covid. People who have not received a booster should quarantine for five days if it has...
Find links to guidance and information on all topics related to COVID-19, including the COVID-19 vac
“Given that COVID-19 infections, hospitalizations, and deaths continue to impact the U.S. population and an increase in infections is expected this fall and winter, the updated COVID-19 vaccines increase the immune response against the currently circulating variants and are projected to prevent ...
Nanjing, capital of east China's Jiangsu Province, has seen a resurgence of locally transmitted COVID-19 cases since a number of airport workers tested positive for the coronavirus on July 20. Though many of the infected have been vaccinated, Shao Yiming, a researcher at Ch...
“Since the first COVID-19 case occurred in Shenzhen in January last year, our lab has been operating 24/7,” said Sun, adding that there are currently more than 20 technicians engaged in nucleic acid tests in the lab. They take duty in turns, and each shift is up to 24 hours. ...
New Covid-19 infections areno longer trackedor reported as closely as they were during the public health emergency. Instead, US officials now focus on testing the contents of Americans’ wastewater to keep tabs on the virus. To identify virus levels andlarger trends, the U...