[苗撚準備]以色列研究:第四劑輝瑞效力只有四周八周後幾乎消失

176 回覆
156 Like 12 Dislike
2022-04-06 16:34:23
無限loop
2022-04-06 16:35:09
第五六七劑準備
2022-04-06 16:36:12
四周後消失?冇問題
咁咪一個月啪一針
一年十二針,輕鬆
2022-04-06 16:39:53
要賺錢
2022-04-06 16:41:15
你今日打咗未呀
2022-04-06 16:42:15
我是公務員,最多打完針食多幾間黃店補返條數
2022-04-06 16:43:31
噴/搽仲哂咪賺仲多
2022-04-06 16:45:00
無強制,可以選擇唔要
2022-04-06 16:45:03
苗撚又贏 又有得狂啪針
2022-04-06 16:46:43
汁呢?苗撚會話翻譯做中文嘅唔可信啊
2022-04-06 16:47:00
咁就好了 八個禮拜後又可以打第五針
2022-04-06 16:48:02
咁你咪唔好打囉
2022-04-06 16:48:16
有咩副作用
2022-04-06 16:49:19
可以每個月打一針
苗撚開心死了

2022-04-06 16:49:21
原文喺邊度?
2022-04-06 16:50:49
未夠87針都未叫合格

有真人實驗證明冇事
2022-04-06 16:51:01
永續 每月一針等於每月多日針假
2022-04-06 16:51:06
https://www.gov.uk/government/publications/regulatory-approval-of-paxlovid/patient-information-leaflet-for-paxlovid

之前問醫生話剩係開俾70歲以上病人,副作用太勁唔係高風險就唔需要食
2022-04-06 16:51:18
苗撚又有藉口呃針打
2022-04-06 16:51:29
王喜:打疫苗死人都係陰謀論
https://lih.kg/2955836
- 分享自 LIHKG 討論區

2022-04-06 16:53:33
怕撚咗苗撚喇,總之支針就有效啦ok?

https://www.nejm.org/doi/full/10.1056/NEJMoa2201570

Abstract
BACKGROUND
On January 2, 2022, Israel began administering a fourth dose of BNT162b2 vaccine to persons 60 years of age or older. Data are needed regarding the effect of the fourth dose on rates of confirmed severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection and of severe coronavirus disease 2019 (Covid-19).

METHODS
Using the Israeli Ministry of Health database, we extracted data on 1,252,331 persons who were 60 years of age or older and eligible for the fourth dose during a period in which the B.1.1.529 (omicron) variant of SARS-CoV-2 was predominant (January 10 through March 2, 2022). We estimated the rate of confirmed infection and severe Covid-19 as a function of time starting at 8 days after receipt of a fourth dose (four-dose groups) as compared with that among persons who had received only three doses (three-dose group) and among persons who had received a fourth dose 3 to 7 days earlier (internal control group). For the estimation of rates, we used quasi-Poisson regression with adjustment for age, sex, demographic group, and calendar day.

RESULTS
The number of cases of severe Covid-19 per 100,000 person-days (unadjusted rate) was 1.5 in the aggregated four-dose groups, 3.9 in the three-dose group, and 4.2 in the internal control group. In the quasi-Poisson analysis, the adjusted rate of severe Covid-19 in the fourth week after receipt of the fourth dose was lower than that in the three-dose group by a factor of 3.5 (95% confidence interval [CI], 2.7 to 4.6) and was lower than that in the internal control group by a factor of 2.3 (95% CI, 1.7 to 3.3). Protection against severe illness did not wane during the 6 weeks after receipt of the fourth dose. The number of cases of confirmed infection per 100,000 person-days (unadjusted rate) was 177 in the aggregated four-dose groups, 361 in the three-dose group, and 388 in the internal control group. In the quasi-Poisson analysis, the adjusted rate of confirmed infection in the fourth week after receipt of the fourth dose was lower than that in the three-dose group by a factor of 2.0 (95% CI, 1.9 to 2.1) and was lower than that in the internal control group by a factor of 1.8 (95% CI, 1.7 to 1.9). However, this protection waned in later weeks.

CONCLUSIONS
Rates of confirmed SARS-CoV-2 infection and severe Covid-19 were lower after a fourth dose of BNT162b2 vaccine than after only three doses. Protection against confirmed infection appeared short-lived, whereas protection against severe illness did not wane during the study period.
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