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    Home > Biochemistry News > Biotechnology News > 3 NEJM articles on the same day: post-vaccination infection is a case of new crown vaccine is generally effective for medical staff

    3 NEJM articles on the same day: post-vaccination infection is a case of new crown vaccine is generally effective for medical staff

    • Last Update: 2021-04-27
    • Source: Internet
    • Author: User
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    Recently, an examiner in Xi'an City was diagnosed with a new crown case after completing two doses of the new crown vaccine, causing concern.


    Today, the "New England Journal of Medicine" published 3 newsletters, and the vaccination data of medical staff from different large overseas medical institutions also confirmed that although individual patients became ill after vaccination, the overall view of the vaccine has a significant protective effect on medical staff .


    The first study comes from the University of California, San Diego (UCSD) and University of California, Los Angeles (UCLA) teams.


    Among all the vaccinated health care workers, at least 379 people tested positive for the new crown at least 1 day after vaccination, and most of them (71%) tested positive within the first 2 weeks after the first dose.


    Among the medical staff who received two doses of the vaccine, 37 people tested positive, of which 22 tested positive within one week of the second dose, only 8 tested positive 8-14 days after the second dose, and 7 tested positive The second dose was tested positive 15 days after vaccination.


    Among all 14,990 people who received the second dose of vaccine for more than 2 weeks, the positive rate was 0.


    The absolute risks of being positive for new crowns after UCSD and UCLA medical staff are vaccinated are 1.


    However, 14 days after the second dose of the vaccine, the positive rate dropped sharply, indicating that the efficacy of the vaccine has been maintained in the real world environment.


    The second study came from the Hadassah Hebrew University Medical Center in Israel.


    From the outbreak to January 13 this year, a total of 689 medical staff (10.


    These findings indicate that even if the COVID-19 infection rate is high in the community, vaccination can still generally effectively protect medical staff.


    The third study came from the University of Texas Southwestern Medical Center, which reported on the protective effects of mRNA vaccines for front-line medical staff.


    In the first 31 days of starting vaccination, 59% of all 23,234 health care workers received one of the two mRNAs, and 30% received the second dose.


    On the other hand, starting from January 9, the positive rate of new crowns among all medical staff has always been lower than the positive rate among emergency patients during the same period.


    These data show that the protection of medical staff by vaccination is tremendous.


    Reference

    [1] Jocelyn Keehner, et al.


    [2] Shmuel Benenson, et al.
    , (2021).
    NT162b2 mRNA Covid-19 Vaccine Effectiveness among Health Care Workers.
    The N Engl J Med, DOI: 10.
    1056/NEJMc2101951

    [3] William Daniel, et al.
    , (2021).
    arly Evidence of the Effect of SARS-CoV-2 Vaccine at One Medical Center.
    The N Engl J Med, DOI: 10.
    1056/NEJMc2102153

    [4] March 21: Press conference of the Joint Prevention and Control Mechanism of the State Council: Introduction to the safety and effectiveness of the new coronavirus vaccine.
    Retrieved March 22, 2021, from.
    htm

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