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CNN's Becky Anderson speaks with Soumya Swaminathan, chief scientist at the World Health Organization, about whether you can catch Covid-19 twice and about how long antibodies last.

CNN's Becky Anderson speaks with Soumya Swaminathan, chief scientist at the World Health Organization, about whether you can catch Covid-19 twice and about how long antibodies last.

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Can you catch Covid-19 twice? Hear from WHO's chief scientist

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Can you catch Covid-19 twice? Hear from WHO's chief scientist

CNN's Becky Anderson speaks with Soumya Swaminathan, chief scientist at the World Health Organization, about whether you can catch Covid-19 twice and about how long antibodies last.

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CNN's Becky Anderson speaks with Soumya Swaminathan, chief scientist at the World Health Organization, about whether you can catch Covid-19 twice and about how long antibodies last.

Can you catch Covid-19 twice? Hear from WHO's chief scientist

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Italian police officers stand in front of a shattered Gucci store window during a protest of far-right activists against the government restriction measures to curb the spread of COVID-19, in downtown Turin, on October 26, 2020, as the country faces a second wave of infections to the Covid-19 (the novel coronavirus). - Italy's Prime Minister Giuseppe Conte tightened nationwide coronavirus restrictions on October 25, 2020 after the country registered a record number of new cases, despite opposition from regional heads and street protests over curfews. Cinemas, theatres, gyms and swimming pools must all close under the new rules, which come into force on October 26, 2020 and run until November 24, while restaurants and bars will stop serving at 6pm, the prime minister's office said. (Photo by Marco BERTORELLO / AFP) (Photo by MARCO BERTORELLO/AFP via Getty Images)

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Britain's Prime Minister Boris Johnson gestures during a visit to the Mologic Laboratory in the Bedford technology Park, north of London on March 6, 2020. - The Prime Minister pledged a further £46 million for research into a coronavirus vaccine and rapid diagnostic tests during the visit to the Laboratory, where British scientists are working on ways to diagnose coronavirus. (Photo by Jack Hill / POOL / AFP) (Photo by JACK HILL/POOL/AFP via Getty Images)

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A sign notifying travellers to observe Wales' Covid-19 rules is displayed alongside the A55 motorway near Flint, north Wales on May 16, 2020, following an easing of lockdown rules in England during the novel coronavirus COVID-19 pandemic. - People are being asked to "think carefully" before visiting national parks and beaches on the first weekend since coronavirus lockdown measures were partially eased in England. (Photo by Oli SCARFF / AFP) (Photo by OLI SCARFF/AFP via Getty Images)

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Can you catch Covid-19 twice? Hear from WHO's chief scientist

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CNN's Becky Anderson speaks with Soumya Swaminathan, chief scientist at the World Health Organization, about whether you can catch Covid-19 twice and about how long antibodies last.