Poliovirus has taken many years to become eradicated. The trust system within Nigeria and their government has been a huge concern. (Jonas salk) IPV and OPV vaccines have been the difference makers for many humans. USA has shown to cut cases down from 20,000 in 1950s to 1,000 in 1960s CDC helped end polio spread in 1979. Many countries such as pakistan, brazil, india and USA have been harmed by the virus. Immunization has shown that strengthening the body is important. With covid cases a couple months ago at 500,000 ,its important to have a true cure for many viruses. This type of research will create a healthier world. Being vigilant is exremely important.