COVID-19疫苗可能需要每年接種

HXS1966 · Apr 15th, 2021, 17:03

消息说证实的保护期只有6个月吧。半年后的保护作用只有一半多些。
＂PFIZER AND BIONTECH CONFIRM HIGH EFFICACY AND NO SERIOUS SAFETY CONCERNS THROUGH UP TO SIX MONTHS FOLLOWING SECOND DOSE＂
https://www.pfizer.com/news/press-re...and-no-serious
6个月后，年轻与中年人的抗体水平下降到67％，71岁以上老人下降到53％。
"while levels ("titers") of antibodies averaged over 92,000 in vaccinated people aged 18 to 55 at six months after full immunization, they dropped to an average of about 62,000 in people aged 56 to 70, and to just over 49,000 in people aged 71 and older."
https://medicalxpress.com/news/2021-...ne-months.html

Apr 15th, 2021, 17:03	#1
HXS1966 Senior Member 注册日期: Jun 2006 帖子: 4,516	消息说证实的保护期只有6个月吧。半年后的保护作用只有一半多些。＂PFIZER AND BIONTECH CONFIRM HIGH EFFICACY AND NO SERIOUS SAFETY CONCERNS THROUGH UP TO SIX MONTHS FOLLOWING SECOND DOSE＂ https://www.pfizer.com/news/press-re...and-no-serious 6个月后，年轻与中年人的抗体水平下降到67％，71岁以上老人下降到53％。 "while levels ("titers") of antibodies averaged over 92,000 in vaccinated people aged 18 to 55 at six months after full immunization, they dropped to an average of about 62,000 in people aged 56 to 70, and to just over 49,000 in people aged 71 and older." https://medicalxpress.com/news/2021-...ne-months.html
HXS1966 Senior Member 注册日期: Jun 2006 帖子: 4,516