Polio | MCQs

Explanation

In the early 1950s, the first successful vaccine was created by US physician Jonas Salk.

Salk tested his experimental killed-virus vaccine on himself and his family in 1953

First used Salk vaccine in 1955 ( in activated)

while 

A live attenuated (weakened) oral polio vaccine developed by Dr. Albert Sabin and first used in 1961.

Israel launched a polio vaccine drive after 1988 in April 2022

Explanation

Africa is free from wild poliovirus, the World Health Organization (WHO) announced on 25 August 

By 2020, all three strains of the wild poliovirus (type 1, type 2, and type 3) have been eradicated in Africa.

In 2020 two countries where the virus remains endemic, are Afghanistan and Pakistan.

while

Type 2 wild poliovirus was declared eradicated in September 2015. 

ND27-7-2023

Explanation

Balochistan reported the highest number of polio cases in Pakistan in 2024:

Balochistan: Reported the most cases with 27 infections

Sindh: Reported 23 cases

Khyber Pakhtunkhwa: Reported 22 cases

Islamabad: Reported one case

Punjab: Reported one case

Explanation

"Pakistan's polio immunization campaign began in 1974, but eradication efforts officially started in 1994.

The country had the most polio cases worldwide in 2014."

Explanation

Africa has been declared free from wild polio 

ARCC declared Africa " Free of Wild Polio" on 25 August 2020.

ARCC stands Africa Regional Commission for the Certification

Nigeria is the last African country to be declared free from wild polio

while 

According to UNICEF, Pakistan will be polio-free by the end of: 2023