He said polio was a highly infectious disease caused by poliovirus
mainly affecting children under the age of five.
The continued presence of poliovirus
in the sewage of major cities posed risks to all vulnerable and unprotected children across Pakistan, he added.
The Philippines is also at risk of infection with poliovirus
from neighboring countries where it was recently found to have recirculated.
A sample is deemed negative if the poliovirus
is found in sewage.
Usman Adamu, the Incident Manager, National Emergency Operation Centre (NEOC) of the National Primary Health Care Development Agency (NPHCDA), Nigeria was on the verge of being declared a poliovirus
free nation by the WHO before the current incident.
During this campaign, a total of 260,000 frontline workers will go door to door across all provinces and towns to ensure more than 39 million children receive two drops of the polio vaccine which will protect them against the poliovirus
He explained that polio is caused by the poliovirus
and the affected children can be paralyzed for life.He said there is no cure for polio, but prevention through immunization can reduce the chances of contracting the virus.
Prolonged person-to-person transmission of polio vaccine viruses in underimmunized populations can lead to emergence of outbreaks of paralysis from circulating vaccine-derived poliovirus
He said that due to the negligence demonstrated by the polio eradication team in the district, seven polio workers were expelled last week as last year there had been no reports of poliovirus
from tribal district.
therapy had in 2016 obtained "breakthrough therapy" designation from the US Food and Drug Administration.
Despite the current progress toward eradication of the disease, in 2014, the spread of wild poliovirus
to polio-free countries was recognized as a Public Health Emergency of International Concern, (1) and there was a recent demonstration of silent circulation of wild poliovirus
1 in Israel.
According to the Centers for Disease Control and Prevention, wild poliovirus
cases have declined more than 99.9% since 1988.