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Current Affairs

World Polio Day

Date: 26 October 2020 Tags: Dates & Calendars

Issue

October 24 is observed as World Polio Day every year in order to call on countries to stay vigilant in their fight against the disease.

 

Background

World Polio Day was established by Rotary International over a decade ago to commemorate the birth of Jonas Salk, who led the first team to develop the vaccine against the disease.

 

Details

  • As per the WHO, since 1980, the cases of wild poliovirus have decreased by over 99.9 percent as a result of vaccination efforts made around the world.

  • In the last three decades, the Global Polio Eradication Initiative (GPEI), led by national governments and the WHO, has been monitoring the disease situation globally.

Polio

  • Polio is a crippling and potentially deadly disease that affects the nervous system. Because the virus lives in the faeces of an infected person, people infected with the disease can spread it to others.

  • Most people with polio do not feel sick. Some people have only minor symptoms, such as fever, tiredness, nausea, headache, nasal congestion, sore throat, cough, stiffness in the neck and back, and pain in the arms and legs.

  • In rare cases, polio infection causes permanent loss of muscle function (paralysis). Polio can be fatal if the muscles used for breathing are paralyzed or if there is an infection of the brain.

  • The virus multiplies in the intestine, from where it can invade the nervous system and can cause paralysis. Once that happens, the patient is crippled for life because there is no treatment for the affliction.

  • There are three variants of the poliovirus, numbered 1 to 3. For a country to be declared polio-free, the wild transmission of all three kinds has to be stopped. 

  • Afghanistan and Pakistan are the two countries that are the last stronghold of the wild poliovirus. In Pakistan, the number of reported wild poliovirus cases has increased in 2020.

  • In 2019, polio outbreaks were recorded in the Philippines, Malaysia, Ghana, Myanmar, China, Cameroon, Indonesia, and Iran, which were mostly vaccine-derived.

  • India was declared polio-free in January 2014, after three years of zero cases, an achievement widely believed to have been spurred by the successful pulse polio campaign in which all children were administered polio drops. The last case due to wild poliovirus in the country was detected on January 13, 2011.