The New York case is “just the very, very tip of the iceberg” and a sign there “must be several hundred cases in the community circulating”, Dr. Jose Romero, director of the CDC’s National Centre for Immunisation and Respiratory Diseases, was quoted as saying to CNN.
“There are a number of individuals in the community that have been infected with poliovirus. They are shedding the virus,” he stated. “The spread is always a possibility because the spread is going to be silent.”
Polio Caused by Poliovirus
Polio is a really contagious viral illness. About 3 in 4 individuals contaminated with polio haven’t got signs, however they’re nonetheless able to spreading the virus to others, in keeping with the CDC.
Only a comparatively small quantity, about 1 in 200 contaminated individuals, grow to be paralyzed. A couple of of those that are paralyzed die as a result of they cannot breathe.
“There isn’t just one case of polio if you see a paralytic case. The incidence of paralytic polio is less than 1 percent,” Dr. Patricia Schnabel Ruppert, well being commissioner for Rockland County, was quoted as saying to BBC.
“Most cases are asymptomatic or mildly symptomatic, and those symptoms are often missed. So there are hundreds, perhaps even thousands of cases that have occurred in order for us to see a paralytic case.”
Meanwhile, UK well being officers are set to supply a focused inactivated polio vaccine (IPV) booster dose to all kids between the ages of 1 and 9 to restrict the unfold of the virus’ outbreak in London.
This follows the invention of Type 2 vaccine-derived poliovirus in sewage in north and east London.
According to the UK Health Security Agency, 116 samples of vaccine-like poliovirus have been detected within the sewage water in London between February and July 2022.