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    Two scientists receive Nobel Prize in medicine for work on Covid-19 mRNA vaccine

    01:58
  • Nobel Prize in medicine awarded to 2 scientists whose discoveries enabled the creation of mRNA vaccines against Covid-19

    01:24
  • Long Covid-19 impacts some adults’ blood biomarkers, new study finds

    01:51
  • When should I get the vaccines for flu and COVID?

    04:35
  • How Covid symptoms have evolved since the pandemic

    01:44
  • Florida officials face backlash over new Covid guidance

    04:01
  • Whistleblower claims CIA tried to cover up COVID lab-leak theory

    00:34
  • CDC approves new Covid vaccine for anyone over six months

    02:01
  • FDA approves new round of COVID-19 booster shots

    03:24
  • FDA approves new Covid-19 booster shot as cases are on the rise

    02:09
  • FDA approves new Covid booster shots as cases rise in U.S.

    04:04
  • FDA expected to approve new COVID booster as cases rise in US

    04:31
  • Covid cases and hospitalizations up 16%

    01:57
  • FDA could greenlight new Covid boosters as early as Friday

    03:54
  • COVID numbers on the rise as new variant spreads

    02:27
  • New Covid variant drives up Covid cases around U.S.

    03:26
  • First lady Jill Biden tests positive for COVID; Biden tests negative

    01:54
  • Spread of Covid impacting start of classes for some schools across U.S.

    01:41
  • New findings offer more answers on long Covid

    03:18
  • FDA panel recommends updating Covid booster shots for fall

    01:35
  • China hit with new Covid wave months after easing restrictions

    02:27
  • CDC says tinnitus not linked to Covid vaccines

    01:45
  • Biden terminates Covid national emergency

    03:43
  • Nurse speaks out after being subject of anti-vaccine conspiracy theory

    04:00
  • Long-Covid patients find hope in treatment aiming to restore taste and smell

    02:15
  • Moderna CEO: 'Vaccines are one of the best investments we can make'

    01:17
  • Biden signs bill to declassify Covid origins intelligence

    02:24
  • Major U.S. cities turn offices into apartments due to pandemic

    02:20
  • Raccoon dogs linked to Covid-19 origins, new data suggests

    01:43
  • How Long Covid impacts patients three years since start of pandemic

    05:27
  • China fully reopens borders to foreigners 3 years after Covid pandemic began

    03:50
  • Do some people have ‘super immunity’ to Covid?

    02:40
  • Covid-19 mask guidance eased in Japan, but many will keep wearing them

    00:58
  • U.S. to lift Covid travel testing requirements for travelers from China

    04:12
  • U.S. to lift Covid testing requirements for travelers from China

    03:19
  • China rejects FBI comments that the Covid-19 pandemic originated from a Wuhan laboratory leak

    00:57
  • FBI director points to Wuhan lab leak as 'likely' origin of COVID-19

    05:24
  • FBI believes Covid originated from Chinese lab leak, says agency director

    03:58
  • Savannah Guthrie test positive for COVID-19 during live broadcast

    00:22
  • Hong Kong will ease most requirements for Covid-19 masks, but these residents will still wear them

    01:03

COVID-19 antibody testing study begins in California

02:54

COVID-19 antibody testing is underway at multiple locations in California to determine just how widespread the coronavirus is there. Officials said this could help determine when the area can safely reopen. NBC News’ Gadi Schwartz explains how it will work.