COVID vaccine and new variants

UK approves new double COVID vaccine that targets multiple variants

COVID-19: Vaccine efforts must 'redouble' or new variants will emerge, doctor says

COVID-19 vaccine hesitancy concerns, warnings about new variants

Moderna’s vaccine targeting COVID-19 variants shows promise

New COVID-19 Variant Found In Colorado Man Amid Vaccine Rollout Challenges | TODAY

Top Pfizer scientist discusses COVID-19 vaccine's efficacy and new variants

Unequal vaccine distribution: A boost for new COVID variants? | COVID-19 Special

COVID-19: New variant discovered in UK as vaccine rollout hits milestone

Moderna president details plans to ramp up COVID-19 vaccine production l GMA

COVID-19 Vaccine Providers Working On Booster Shot Aimed At Omicron Variant

U.S. races to roll out COVID-19 vaccine as concerns grow over new variants

Coronavirus: Variant concern as vaccine continues to be rolled out

Vaccine rollout gains speed as threat grows from COVID variants

Pfizer's Covid-19 vaccine appears to stop variants found in U.K., South Africa

New vaccine efficacy concerns raised as new COVID-19 variants found in the US

Effectiveness of COVID-19 vaccine on variants | USA TODAY

Will Canada's COVID-19 vaccine rollout be able to outpace variants?

Jim Cramer on Moderna's Covid-19 vaccine appearing effective against U.K. variant

Vaccine rollout ramps up across U.S. as new coronavirus variant is being tracked