4 ms·
Not with humans, but it has happened in chickens. https://en.m.wikipedia.org/wiki/Marek%27s_disease#Prevention https://en.m.wikipedia.org/wiki/Marek%27s_diseas
by HPsquared 4y ago
Not with humans, but it has happened in chickens.
https://en.m.wikipedia.org/wiki/Marek%27s_disease#Prevention https://en.m.wikipedia.org/wiki/Marek%27s_disease#Prevention
It seems to be related to "leaky" vaccines.
- JumpCrisscross 4y agoInteresting. Curious why we haven’t seen a similar effect with SARS-CoV-2 or the poliovirus.
- Izkata 4y agoIIRC it took about 20 years to be apparent with Marek's disease. The polio vaccines aren't "leaky", but we are seeing increasing problems with oral-vaccine-derived polio now: https://www.who.int/emergencies/disease-outbreak-news/item/2022-DON408 https://www.who.int/emergencies/disease-outbreak-news/item/2... - there are more cases of this than of "wild" polio nowadays.
- JumpCrisscross 4y ago> polio vaccines aren't "leaky" Non-sterilising polio vaccines prevent illness but not infection and re-transmission. OPV is the one that sterilises.