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Spread of Covid impacting start of classes for some schools across U.S. 01:41
Health experts warn of new Omicron subvariants as winter approaches 02:38
Biden administration plans to roll out new booster shots this fall 00:21
How genetics, other factors can prevent Covid infections 02:59
Dr. Ashish Jha on rising COVID-19 cases, masks, J&J vaccine 04:52
How soon could the FDA approve Moderna shot for kids under 6? 02:29
Full Dr. Jha: 'Vaccines are holding up really well against … all of the omicron variants' 07:16
Fear, uncertainty and apathy: Covid infections rise but hospitalizations remain low 01:02
The long-term effects of Covid 03:29
Scientists working on universal vaccine to fight all future Covid variants 04:40
What you need to know about rapid antigen tests and the omicron variant 03:30
Dr. Paul Offit on how to go about holiday gatherings 01:49
Another Covid Christmas: Deaths spike to highest level since last winter 01:23
Dr. Fauci: VP Kamala Harris was 'taken a bit out of context' 01:24
Dr. Fauci: 'When your time comes to get boosted, get boosted' 01:32
CDC panel says people shouldn't get J&J vaccine if Pfizer, Moderna available 07:07
New insight on transmissibility of omicron variant 02:15
U.S. travel restrictions to go into effect as Omicron variant spreads 02:11
A brighter future for rapid Covid tests? 10:53
Answering your questions about the Omicron variant 01:26
Facts over fear: How long will a Covid vaccine be effective and why cold storage is important 06:20 AstraZeneca said its Covid-19 vaccine could be up to 90 percent effective in preventing the disease — a third breakthrough in the fight against the pandemic. Dr. John Torres explains why AstraZeneca’s vaccine not needing cold storage is important, and how long a vaccine will likely keep recipients protected against the virus. Nov. 23, 2020
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Spread of Covid impacting start of classes for some schools across U.S. 01:41
Health experts warn of new Omicron subvariants as winter approaches 02:38
Biden administration plans to roll out new booster shots this fall 00:21
How genetics, other factors can prevent Covid infections 02:59
Dr. Ashish Jha on rising COVID-19 cases, masks, J&J vaccine 04:52
How soon could the FDA approve Moderna shot for kids under 6? 02:29