Traces of a form of polio found in London: unprecedented for almost forty years

This Wednesday, June 22, the World Health Organization announced that traces of a form of polio derived from a vaccine strain had been discovered in Britain, while its eradication seemed close to the global stage.

Stupéfaction à Londres: for the first time since 1984, the date of the last case recorded in the United Kingdom, the polio virus was discovered in the most used purification stations in north London. Between February and May, several samples are positive income, signs that this pathogen is currently circulating in an area where four million people live, details. the Express.

An alert was issued on Wednesday (June 22nd) by the WHO, which said in a statement: “It is important to note that the virus has only been isolated from environmental samples – no associated cases of paralysis have been detected.”

“Strengthen surveillance”

A call for vigilance has been launched: “All countries, especially those with a high volume of travel and contacts with countries and areas affected by polio, it needs to strengthen surveillance to quickly detect all new virus imports and to facilitate a rapid response, “the body said.” Any form of poliovirus, wherever it is found, is a threat to children around the world, “she said.

Children especially threatened

According to the WHO, “any form of poliovirus, wherever it is found, is a threat to children around the world“.

This virus can be detected in sales after receiving vaccine oral antipoliomyélitique (OPV), which is designed from an attenuated form of living poliovirus. Le VPO is no longer used in the UK since 2004, more payments continue to serve, to recall franceinfo.

According to the British authorities, the most likely scenario is a single VPO vaccine vaccinated in another country, being introduced in the United Kingdom before February. Toar some epidemiologists, people who are not up to date vaccination.

In recent years, an average of 1 to 3 poliovirus isolates over a period has been detected in samples used in the United Kingdom. But then they had no connection with each other, he recalls TF1 Info.

As a reminder, polio is an extremely serious disease contagious which invades the nervous system and can cause a permanent paralysis.

In France, the vaccine is mandatory for all infants with reminders at 6 and 11 years. It is mandatory for certain professions, such as nursing or military. Reminders are recommended for ages 25, 45, and 65. Thanks to vaccination, polio has disappeared in the country.

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