Polio is re-emerging worldwide: 2022
Recently, researchers have detected the poliovirus in the sewage system in east London
Its original source is likely to be someone recently inoculated with an oral version of the polio vaccine.
On July 21, the New York State Department of Health announced a case of polio in an unvaccinated man in Rockland County.
But according to WHO report cases due to wild poliovirus have decreased by over 99% since 1988, from an estimated 350 000 cases then, to 6 reported cases in 2021.
“This is a wake-up call,” said Dr. Peter Salk, president of the Jonas Salk Legacy Foundation and the son of Jonas Salk, the developer of the polio vaccine
Cases of paralysis in the US and Israel suggest vaccine-derived poliovirus has infected many people.
What are Polio symptoms ?
> a high temperature
> sore throat
> stomach pain
> aching muscles
> feeling sick
Why are these outbreaks happening?
Most unvaccinated people who contract the virus don’t get sick at all or have mild illness, and about 25 percent will get mild flu-like symptoms.
There's two main forms of polio virus: The wild-type virus, which is seen in endemic countries, another is vaccine-derived polio type detected in wastewater.
For details click here