World Health Organization officials said not all people who recover from the coronavirus have the antibodies to fight a second infection, raising questions as to whether or not patients develop immunity after surviving Covid-19.Get latest Healthcare online at cnbctv18.com
WHO officials say its unclear whether recovered coronavirus patients are immune to second infection Updated : April 13, 2020 09:39 PM IST CNBC share World Health Organization officials said not all people who recover from the coronavirus have the antibodies to fight a second infection, raising questions as to whether or not patients develop immunity after surviving Covid-19. With regards to recovery and then re-infection, I believe we do not have the answers to that. That is an unknown, Dr. Mike Ryan, executive director of WHOs emergencies programs, said at a press conference at the organizations Geneva headquarters on Monday. A preliminary study of patients in Shanghai found that some patients had no detectable antibody response while others had a very high response, said Dr. Maria Van Kerkhove, WHOs lead scientist on Covid-19. Whether the patients that had a strong anti-body response were immune to a second infection is a separate question, she added. More than 300,000 of the 1.87 million coronavirus cases across the world have recovered, WHO officials noted, adding that they need more information from recovered patients to understand their antibody response and whether that gives them immunity and for how long. Thats something that we really need to better understand is what does that antibody response look like in terms of immunity, Van Kerkhove said. Tags
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