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    07 Dec '05
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    01 Aug '22 07:48
    Warning!

    New York City started administering the smallpox vaccine in late June 2022. That’s not a typo. There is no specific monkeypox vaccine. They’re using the smallpox vaccine under the assumption that it might work because the two viruses are in the same family of pox viruses, but there’s very little evidence for this.

    The idea that smallpox vaccines may be effective against monkeypox comes from a 1988 non-randomized observational study13 in which 0.96% of vaccinated close contacts contracted monkeypox, compared to 7.47% of unvaccinated close contacts.

    Two of the biggest problems with this assumption are that a) the vaccine used in that 1988 study was a first-generation vaccine that is no longer in use, and b) the current strain of monkeypox has undergone many mutations since 1988. So, there’s really no telling whether the vaccine will have any benefit at all.


    https://articles.mercola.com/sites/articles/archive/2022/08/01/monkeypox-public-health-emergency.aspx?ui=e94d894b259b40947dee3a688e62468bc407f279f550c51135d6ba9d0d38cd93&sd=20210318&cid_source=wnl&cid_medium=email&cid_content=art1HL&cid=20220801Z1&mid=DM1221477&rid=1564171650

    If someone you know has received the ACAM2000 vaccine, be sure to take the same precautions as you would with someone who is infected with monkeypox (see below).

    The hazard of live vaccines was recently made evident by a case in which an unvaccinated individual contracted polio from a person who had received an oral live poliovirus vaccine. (The U.S. only uses inactivated polio vaccine, but live polio vaccine is still used in many other countries.) So, if ACAM2000 were to be widely used, and people fail to take proper precautions, outbreaks of smallpox could be possible.

    Aventis Pasteur also has a smallpox vaccine that, while still investigational, could still receive emergency use authorization. It too is replication-competent, and therefore could create outbreaks if used extensively.
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