[tellerreport.png] Home News Business Sports Life Tech What is “collective immunity” to coronavirus? 2020-03-24T16:10:24.353Z -- -- 2020-03-24T16:10:24.353Z While some countries have adopted the strategy of collective immunity, before changing their mind, focus on this method rather criticized by scientists -- -- Two British in London, wearing masks. For ten days, while France had taken containment measures, Boris Johnson was banking on collective immunity. But the UK has changed its strategy. - Matt Dunham / AP / SIPA -- -- * On Monday evening, Boris Johnson announced national confinement for at least three weeks in the UK. * Long criticized for his strategy of "group immunity", the Prime Minister changed his mind. This is not the case for Sweden. * But what is this principle? Why is it a problem in the case of -- -- see more clearly. The United Kingdom had for a time chosen to bet on "collective immunity" to avoid confinement and blockage of the country. The Netherlands also. But for the past few days, these two countries seem to have changed their minds. And opt for more severe containment -- -- we talking about exactly? 20 Minutes helps you see more clearly. What is "collective immunity"? It is a principle that the more people are infected with a disease, the -- -- This is why some countries have chosen not to confine populations, hoping that a rapid spread of the virus, once it has affected 60% of citizens, would provoke protective collective immunity in the long term. -- -- epidemic does not die "for lack of combatants" - a situation in which the infectious agent would eventually disappear with the patients he kills - but by acquiring "gregarious immunity", explains Antoine Flahault, specialist in public health and epidemiology at AFP. -- -- Little by little, some countries that wanted to build on this approach have revised their copies. At first, the British Boris Johnson popularized the term "collective immunity". While France imposed confinement on the entire population (with some exceptions), our British neighbors were invited to wash their hands. But faced with a -- -- containment of the population, he hopes "that it will not be necessary". Mark Rutte had declared last week wanting to favor the development of a collective immunity in the Netherlands of which, he had warned, most of the inhabitants would be contaminated. -- -- Another concern: there are still a lot of questions about this Covid-19. And one of the questions is about long-term immunity to this coronavirus: basically, can you get this disease twice? "For Sras, a coronavirus close to Covid-19, studies have shown that antibodies can -- -- coronavirus close to Covid-19, studies have shown that antibodies can drop after two years," says Mircea T. Sofonea. This means that for this close virus, immunity is not guaranteed for life. Please note that this cannot be transposed to Covid-19, which has only been discovered since December. No one can tell you if people who have been infected will -- -- have a persistent immune memory within a year. We advance in the fog. " Also, can this virus mutate? "Nothing says that group immunity is sufficient if the pandemic continues in other countries, that it circulates there quietly," continues the expert. And come back in a few -- -- sufficient if the pandemic continues in other countries, that it circulates there quietly," continues the expert. And come back in a few months with mutations such that our immunity would not recognize it. So the flu reappears every winter with different strains, that's why you have to get vaccinated every year. -- -- [INS: :INS] Coronavirus: WHO warns of hypothetical "collective immunity" Tech/Game 2020-05-11T21:33:05.873Z -- Tech/Game 2020-05-11T21:33:05.873Z Coronavirus: WHO warns of hypothetical "collective immunity" For Delfraissy, there is no question of letting the virus circulate among young people -- -- For Delfraissy, there is no question of letting the virus circulate among young people Collective immunity of new corona achieved with 43% of population acquisition Life/Entertain 2020-06-23T20:33:33.132Z -- -- acquisition Life/Entertain 2020-06-23T20:33:33.132Z Collective immunity of new corona achieved with 43% of population acquisition Coronavirus: "People will not be naturally immune" -- -- Life/Entertain 2020-08-02T14:04:45.886Z Coronavirus: letting young people infect each other, a false good idea? Coronavirus: the collective immunity strategy "is behind us" Life/Entertain 2020-04-26T15:17:29.219Z -- Life/Entertain 2020-04-26T15:17:29.219Z Coronavirus: the collective immunity strategy "is behind us" Scientists warn against the strategy of collective immunity Life/Entertain 2020-10-16T08:34:17.833Z -- Life/Entertain 2020-10-16T08:34:17.833Z Scientists warn against the strategy of collective immunity Sobyanin spoke about the formation of Muscovites immunity to coronavirus News/Politics 2020-07-10T12:53:54.640Z -- -- coronavirus News/Politics 2020-07-10T12:53:54.640Z Sobyanin spoke about the formation of Muscovites immunity to coronavirus Less than 10% of the infected population in the two most affected