What we know so far about Covid-19 immunity — and what it means for vaccine boosters – CNN

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CNN’s Elizabeth Cohen has more.”,”descriptionText”:”Data obtained exclusively by CNN shows that interest in getting vaccinated against Covid-19 increased right after Dr. Rochelle Walensky, director of the US Centers for Disease Control and Prevention, announced two weeks ago that vaccinated people could take off their masks. CNN’s Elizabeth Cohen has more.”},{“title”:”Dr. Gupta on the origin of Covid-19: I think answer is knowable”,”duration”:”02:01″,”sourceName”:”CNN”,”sourceLink”:”http://www.cnn.com”,”videoCMSUrl”:”/video/data/3.0/video/health/2021/05/27/gupta-covid-origins-intv-cpt-sot-vpx.cnn/index.xml”,”videoId”:”health/2021/05/27/gupta-covid-origins-intv-cpt-sot-vpx.cnn”,”videoImage”:”//cdn.cnn.com/cnnnext/dam/assets/210526222003-gupta-cuomo-split-large-169.jpg”,”videoUrl”:”/videos/health/2021/05/27/gupta-covid-origins-intv-cpt-sot-vpx.cnn/video/playlists/coronavirus/”,”description”:”CNN’s Dr. Sanjay Gupta and Chris Cuomo discuss if we are any closer to finding out where and how Covid-19 originated.”,”descriptionText”:”CNN’s Dr. Sanjay Gupta and Chris Cuomo discuss if we are any closer to finding out where and how Covid-19 originated.”},{“title”:”Keilar rolls the tape on the Covid-19 ‘lab leak’ theory”,”duration”:”06:08″,”sourceName”:”CNN”,”sourceLink”:”https://cnn.com”,”videoCMSUrl”:”/video/data/3.0/video/health/2021/05/25/wuhan-lab-leak-covid-19-origin-theory-roll-the-tape-keilar-newday-vpx.cnn/index.xml”,”videoId”:”health/2021/05/25/wuhan-lab-leak-covid-19-origin-theory-roll-the-tape-keilar-newday-vpx.cnn”,”videoImage”:”//cdn.cnn.com/cnnnext/dam/assets/210525082403-brianna-keilar-large-169.jpg”,”videoUrl”:”/videos/health/2021/05/25/wuhan-lab-leak-covid-19-origin-theory-roll-the-tape-keilar-newday-vpx.cnn/video/playlists/coronavirus/”,”description”:”CNN’s Brianna Keilar rolls the tape on the credibility of the Wuhan lab leak theory or the possibility the coronavirus emerged from a lab in China.”,”descriptionText”:”CNN’s Brianna Keilar rolls the tape on the credibility of the Wuhan lab leak theory or the possibility the coronavirus emerged from a lab in China.”},{“title”:”Dr. Fauci says he’s ‘not convinced’ Covid-19 developed naturally”,”duration”:”03:02″,”sourceName”:”CNN”,”sourceLink”:”http://www.cnn.com/”,”videoCMSUrl”:”/video/data/3.0/video/health/2021/05/24/fauci-not-convinced-covid-19-coronavirus-developed-naturally-sot-vpx-newday.cnn/index.xml”,”videoId”:”health/2021/05/24/fauci-not-convinced-covid-19-coronavirus-developed-naturally-sot-vpx-newday.cnn”,”videoImage”:”//cdn.cnn.com/cnnnext/dam/assets/210519135014-dr-anthony-fauci-0511-large-169.jpg”,”videoUrl”:”/videos/health/2021/05/24/fauci-not-convinced-covid-19-coronavirus-developed-naturally-sot-vpx-newday.cnn/video/playlists/coronavirus/”,”description”:”Dr. Anthony Fauci told the Poynter Institute on May 11 that he wasn’t totally convinced that Covid-19 developed naturally and that he thinks that more investigation into the origin is needed. CNN’s Natasha Bertrand and Kylie Atwood have more.”,”descriptionText”:”Dr. Anthony Fauci told the Poynter Institute on May 11 that he wasn’t totally convinced that Covid-19 developed naturally and that he thinks that more investigation into the origin is needed. CNN’s Natasha Bertrand and Kylie Atwood have more.”},{“title”:”US still not sure on the origins of Covid-19 pandemic”,”duration”:”01:45″,”sourceName”:”CNN”,”sourceLink”:”http://www.cnn.com/”,”videoCMSUrl”:”/video/data/3.0/video/health/2021/05/24/us-intelligence-coronavirus-china-covid-19-origin-uncertainty-bertrand-sot-vpx-nr.cnn/index.xml”,”videoId”:”health/2021/05/24/us-intelligence-coronavirus-china-covid-19-origin-uncertainty-bertrand-sot-vpx-nr.cnn”,”videoImage”:”//cdn.cnn.com/cnnnext/dam/assets/210129103715-covid-lab-large-169.jpg”,”videoUrl”:”/videos/health/2021/05/24/us-intelligence-coronavirus-china-covid-19-origin-uncertainty-bertrand-sot-vpx-nr.cnn/video/playlists/coronavirus/”,”description”:”In the wake of new revelations that several researchers at a lab in Wuhan, China, got sick and hospitalized in November 2019, CNN’s Natasha Bertrand says the US intelligence community is still not 100% certain on the origin of the Covid-19 coronavirus pandemic.”,”descriptionText”:”In the wake of new revelations that several researchers at a lab in Wuhan, China, got sick and hospitalized in November 2019, CNN’s Natasha Bertrand says the US intelligence community is still not 100% certain on the origin of the Covid-19 coronavirus pandemic.”},{“title”:”Watch these dogs detect Covid-19 by sniffing masks”,”duration”:”01:24″,”sourceName”:”CNN”,”sourceLink”:””,”videoCMSUrl”:”/video/data/3.0/video/us/2021/05/23/dogs-smell-covid-detect-virus-orig-kj.cnn/index.xml”,”videoId”:”us/2021/05/23/dogs-smell-covid-detect-virus-orig-kj.cnn”,”videoImage”:”//cdn.cnn.com/cnnnext/dam/assets/210523192817-covid-detection-dogs-large-169.jpg”,”videoUrl”:”/videos/us/2021/05/23/dogs-smell-covid-detect-virus-orig-kj.cnn/video/playlists/coronavirus/”,”description”:”Six dogs participating in an early study were successful in detecting Covid-19, which has shown an association with a “distinct” odor. “,”descriptionText”:”Six dogs participating in an early study were successful in detecting Covid-19, which has shown an association with a “distinct” odor. “},{“title”:”US sees Covid-19 cases decline but rate of vaccinations slowing down”,”duration”:”02:10″,”sourceName”:”CNN”,”sourceLink”:”https://www.cnn.com/”,”videoCMSUrl”:”/video/data/3.0/video/health/2021/05/22/covid-19-us-cases-down-12-to-15-year-olds-vaccines-sandoval-pkg-ndwknd-vpx.cnn/index.xml”,”videoId”:”health/2021/05/22/covid-19-us-cases-down-12-to-15-year-olds-vaccines-sandoval-pkg-ndwknd-vpx.cnn”,”videoImage”:”//cdn.cnn.com/cnnnext/dam/assets/210511202010-02-kids-vaccinated-0511-large-169.jpg”,”videoUrl”:”/videos/health/2021/05/22/covid-19-us-cases-down-12-to-15-year-olds-vaccines-sandoval-pkg-ndwknd-vpx.cnn/video/playlists/coronavirus/”,”description”:”The US is seeing a sharp decline in Covid-19 cases and hospitalizations as vaccines are made available to more people including Americans 12 to 15 years old.”,”descriptionText”:”The US is seeing a sharp decline in Covid-19 cases and hospitalizations as vaccines are made available to more people including Americans 12 to 15 years old.”},{“title”:”See Fauci’s reaction to funny moment in press conference”,”duration”:”01:58″,”sourceName”:”CNN”,”sourceLink”:”http://www.cnn.com”,”videoCMSUrl”:”/video/data/3.0/video/health/2021/05/21/white-house-fauci-dating-app-vaccination-vpx.cnn/index.xml”,”videoId”:”health/2021/05/21/white-house-fauci-dating-app-vaccination-vpx.cnn”,”videoImage”:”//cdn.cnn.com/cnnnext/dam/assets/210521135314-fauci-press-conference-dating-apps-large-169.jpg”,”videoUrl”:”/videos/health/2021/05/21/white-house-fauci-dating-app-vaccination-vpx.cnn/video/playlists/coronavirus/”,”description”:”The White House is partnering with dating apps to encourage people to get vaccinated for Covid-19.”,”descriptionText”:”The White House is partnering with dating apps to encourage people to get vaccinated for Covid-19.”},{“title”:”Expert: Breakthrough Covid-19 cases are expected”,”duration”:”02:55″,”sourceName”:”CNN”,”sourceLink”:”https://www.cnn.com/?refresh=1″,”videoCMSUrl”:”/video/data/3.0/video/health/2021/05/20/yankees-breakthrough-covid-19-cases-gupta-pkg-nr-vpx.cnn/index.xml”,”videoId”:”health/2021/05/20/yankees-breakthrough-covid-19-cases-gupta-pkg-nr-vpx.cnn”,”videoImage”:”//cdn.cnn.com/cnnnext/dam/assets/210113122421-yankee-stadium-file-large-169.jpg”,”videoUrl”:”/videos/health/2021/05/20/yankees-breakthrough-covid-19-cases-gupta-pkg-nr-vpx.cnn/video/playlists/coronavirus/”,”description”:”CNN’s Dr. Sanjay Gupta reports on a breakthrough cluster of Covid-19 infections that spread through the New York Yankees baseball team.”,”descriptionText”:”CNN’s Dr. Sanjay Gupta reports on a breakthrough cluster of Covid-19 infections that spread through the New York Yankees baseball team.”},{“title”:”Ex-astronaut shares tips on how to readjust after months of isolation”,”duration”:”03:58″,”sourceName”:”CNN”,”sourceLink”:”https://www.cnn.com”,”videoCMSUrl”:”/video/data/3.0/video/world/2021/05/18/coronavirus-lockdown-easing-anxiety-readjusting-black-pkg-intl-ldn-vpx.cnn/index.xml”,”videoId”:”world/2021/05/18/coronavirus-lockdown-easing-anxiety-readjusting-black-pkg-intl-ldn-vpx.cnn”,”videoImage”:”//cdn.cnn.com/cnnnext/dam/assets/210518115856-chris-hadfield-lockdown-readjustment-phil-black-pkg-large-169.jpeg”,”videoUrl”:”/videos/world/2021/05/18/coronavirus-lockdown-easing-anxiety-readjusting-black-pkg-intl-ldn-vpx.cnn/video/playlists/coronavirus/”,”description”:”In countries lucky enough to have advanced vaccine programs, we must adapt again: To crowds, conversations, and a pace of life that can seem distant and intimidating. CNN’s Phil Black speaks to people who have some experience readjusting from extreme isolation.”,”descriptionText”:”In countries lucky enough to have advanced vaccine programs, we must adapt again: To crowds, conversations, and a pace of life that can seem distant and intimidating. CNN’s Phil Black speaks to people who have some experience readjusting from extreme isolation.”},{“title”:”Summer camps prep for reopening with new safety protections”,”duration”:”03:15″,”sourceName”:”CNN”,”sourceLink”:”http://www.cnn.com”,”videoCMSUrl”:”/video/data/3.0/video/us/2021/05/17/summer-camps-coronavirus-golodryga-pkg-vpx-lead.cnn/index.xml”,”videoId”:”us/2021/05/17/summer-camps-coronavirus-golodryga-pkg-vpx-lead.cnn”,”videoImage”:”//cdn.cnn.com/cnnnext/dam/assets/210517183739-summer-camp-large-169.jpg”,”videoUrl”:”/videos/us/2021/05/17/summer-camps-coronavirus-golodryga-pkg-vpx-lead.cnn/video/playlists/coronavirus/”,”description”:”Millions of children missed out on camp last year as coronavirus triggered closure after closure, but now bookings are bouncing back this year. CNN’s Bianna Golodryga reports. “,”descriptionText”:”Millions of children missed out on camp last year as coronavirus triggered closure after closure, but now bookings are bouncing back this year. CNN’s Bianna Golodryga reports. “},{“title”:”Dr. Gupta: Here’s how the media can help a return to normal”,”duration”:”01:42″,”sourceName”:”CNN”,”sourceLink”:”https://www.cnn.com/”,”videoCMSUrl”:”/video/data/3.0/video/media/2021/05/16/dr-sanjay-gupta-media-coverage-cdc-guidelines-rs-vpx.cnn/index.xml”,”videoId”:”media/2021/05/16/dr-sanjay-gupta-media-coverage-cdc-guidelines-rs-vpx.cnn”,”videoImage”:”//cdn.cnn.com/cnnnext/dam/assets/210516123901-dr-sanjay-gupta-reliable-sources-5-16-2021-large-169.jpg”,”videoUrl”:”/videos/media/2021/05/16/dr-sanjay-gupta-media-coverage-cdc-guidelines-rs-vpx.cnn/video/playlists/coronavirus/”,”description”:”CNN’s u003ca href=”https://www.cnn.com/profiles/sanjay-gupta-profile” target=”_blank”>Dr. Sanjay Guptau003c/a> lays out his advice for how the media can help the country return to normal as the CDC revises their guidance on masks.”,”descriptionText”:”CNN’s u003ca href=”https://www.cnn.com/profiles/sanjay-gupta-profile” target=”_blank”>Dr. Sanjay Guptau003c/a> lays out his advice for how the media can help the country return to normal as the CDC revises their guidance on masks.”},{“title”:”CDC director answers how kids factor into new mask guidance”,”duration”:”01:56″,”sourceName”:”CNN”,”sourceLink”:”https://www.cnn.com/”,”videoCMSUrl”:”/video/data/3.0/video/health/2021/05/16/rochelle-walensky-cdc-guidance-masks-intv-bash-sotu-vpx.cnn/index.xml”,”videoId”:”health/2021/05/16/rochelle-walensky-cdc-guidance-masks-intv-bash-sotu-vpx.cnn”,”videoImage”:”//cdn.cnn.com/cnnnext/dam/assets/210516103610-walensky-sotu-vpx-large-169.jpeg”,”videoUrl”:”/videos/health/2021/05/16/rochelle-walensky-cdc-guidance-masks-intv-bash-sotu-vpx.cnn/video/playlists/coronavirus/”,”description”:”CDC Director Dr. Rochelle Walensky speaks to CNN’s u003ca href=”https://www.cnn.com/profiles/dana-bash-profile” target=”_blank”>Dana Bashu003c/a> following the u003ca href=”https://www.cnn.com/2021/05/14/health/following-new-cdc-guidelines-wen-wellness/index.html” target=”_blank”>CDC’s recent announcementu003c/a> recommending vaccinated individuals do not need to wear masks in most scenarios.”,”descriptionText”:”CDC Director Dr. Rochelle Walensky speaks to CNN’s u003ca href=”https://www.cnn.com/profiles/dana-bash-profile” target=”_blank”>Dana Bashu003c/a> following the u003ca href=”https://www.cnn.com/2021/05/14/health/following-new-cdc-guidelines-wen-wellness/index.html” target=”_blank”>CDC’s recent announcementu003c/a> recommending vaccinated individuals do not need to wear masks in most scenarios.”},{“title”:”Vaccinated? 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