How long did it take to eradicate polio virus?
Following introduction of vaccines—specifically, trivalent inactivated poliovirus vaccine (IPV) in 1955 and trivalent oral poliovirus vaccine (OPV) in 1963—the number of polio cases fell rapidly to less than 100 in the 1960s and fewer than 10 in the 1970s.
When did Nigeria eradicate polio?
On August 24, 2020, Nigeria recorded a monumental success by achieving the aim of a “wild polio-free country” after completing three years without any case of wild poliovirus (WPV).
When was the polio vaccine successful?
In 1955, after a field trial involving 1.8 million Americans, the world’s first successful polio vaccine was declared “safe, effective, and potent.” It was arguably the most significant biomedical advance of the past century.
How did Nigeria get rid of polio?
Delivering vaccines to all children in the country Faisal Shuaib of the National Primary Health Care Development Agency (NPHCDA), who has led the efforts against polio in Nigeria.
How long did the polio vaccine take?
Development of the Salk vaccine. Researchers began working on a polio vaccine in the 1930s, but early attempts were unsuccessful. An effective vaccine didn’t come around until 1953, when Jonas Salk introduced his inactivated polio vaccine (IPV).
How long did it take to approve the polio vaccine?
It had taken the world’s top medical minds more than two centuries to progress from recognizing a disease to testing vaccines. Even after identifying the virus that caused polio, it took another 40 years to get vaccine trials up and running.
How many polio cases are there in Nigeria in 2021?
This brings the total number of polio cases in Nigeria in 2021 to 385. Poliomyelitis is spread mainly through person to person contact via the faecal-oral route. The polio vaccination recommendations for Nigeria remain unchanged.
What led to the Nigerian boycott of the polio vaccination campaign?
The fear of vaccines: Fear that a vaccine used by the WHO to combat polio can cause sterility in both men and women, has spurred some Northern Nigerian states to block a crucial vaccination campaign that is aimed at eradicating the disease from West Africa.
Which city first received the first polio vaccine?
On February 23, 1954, a group of children from Arsenal Elementary School in Pittsburgh, Pennsylvania, receive the first injections of the new polio vaccine developed by Dr. Jonas Salk. Thanks to the vaccine, by the 21st century polio cases were reduced by 99 percent worldwide.
Is polio eradicated 2021?
In 2021, five WPV1 cases were reported from the two remaining countries with endemic polio: four from Afghanistan and one from Pakistan (Figure) (Table 2). The four WPV1 cases from two provinces in Afghanistan represent an 82% decrease from the 56 cases in 14 provinces reported in 2020.
When did immunization started in Nigeria?
Although immunization began in Nigeria in 1956 when smallpox was severe nationwide the national immunization tagged Expanded Programme on Immunization started in 1979 to combat deadly childhood diseases, which were regarded as the cause of high infant morbidity and mortality in Nigeria.
What is the current immunization schedule in Nigeria?
IMMUNIZATION HOMEPAGE
| AGE | NAME of VACCINE | ROUTE |
|---|---|---|
| 12 – 15 months | Vitamin A (2nd dose) DTaP – booster OPV booster | Oral IM or deep SC Oral |
| 18 months | Hepatitis A MMRV (or MMR +Var or Measles -2+ Var) | IM IM |
| 2 years | Typhoid (Vi polysaccharide) | IM |
| 5 years | OPV DTaP MMR |
What is polio common name?
Polio, or poliomyelitis, is a disabling and life-threatening disease caused by the poliovirus.