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Is this vaccine-derived polio "medically resistant" (or vaccine resistant), or does it just infect people who may have waning immunity, no immunity, etc?
by debacle 4y ago
Is this vaccine-derived polio "medically resistant" (or vaccine resistant), or does it just infect people who may have waning immunity, no immunity, etc?
- Rebelgecko 4y agoIt can hang out in the gut biomes of people who get the vaccine, but typically with no ill effects unless the unvaccinated person comes into contact with the excretions of an orally vaccinated person who's carrying polio with a certain mutation.
- HarryHirsch 4y agoThe latter - it is attenuated virus from the live oral vaccine that has reverted to a form causing paralysis. Both forms of the polio vaccine are still effective against it. <s>Why worry? Poliomyelitis is mild, most cases are asymptomatic, only one in 200 cases result in paralysis, and fatality rates are even lower.</s>
- deleted 4y ago[deleted]
- kurupt213 4y agoThe benefit of the attenuated live virus is that it can replicate and go on to infect others, spreading protection from virulent polio to unvaccinated people. One of the covid-19 origin theories was that China was trying to make an attenuated live virus SARS vaccine that would self propagate through the population