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Note to people downvoting this (because maybe they think it’s anti-vaccine crankery). The attenuated polio virus vaccine can cause polio. The reward far outwe

• 6177c40f 3y ago
  Should also be noted that in 2016 the trivalent OPV was replaced with a bivalent vaccine in an attempt to further mitigate the risk [1]: > Until 2015, over 90% of cVDPV cases were due to the type 2 component in OPV. With the transmission of wild poliovirus type 2 already successfully interrupted since 1999, in April 2016 a switch was implemented from trivalent OPV to bivalent OPV in routine immunization programmes. The removal of the type 2 component of OPV is associated with significant public health benefits, including a reduction of the risk of cases of cVDPV2. [1] https://www.who.int/news-room/questions-and-answers/item/poliomyelitis https://www.who.int/news-room/questions-and-answers/item/pol...
• laputan-machine 3y ago
  Also note that 'attuenated virus vaccine' means the oral vaccine that is prevalent in the developing world, and not the vaccine that, e.g. EU citizens get, I had to look this up, as it is not obvious.
  • throawayonthe 3y ago
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