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UK variant can become the dominant strain in the US, we have to ramp up vaccine distribution: Doctor
Vaccine rollout ramps up across U.S. as new coronavirus variant is being tracked
How new COVID-19 variant affects vaccine rollout, travel l GMA
Dr. Ali Khan: U.S. Needs to Quickly Ramp Up Vaccinations as COVID Kills Over 4,000 in Single Day
The U.S. Can’t Keep Up With Mutant COVID Strains
New variants 'threaten to undo our progress' | Ontario COVID-19 modelling update and questions
New coronavirus variant's contagiousness depends on our behaviour: epidemiologist
"A Shot of Hope": Getting the vaccine
Coronavirus crisis: Vaccine rollout grows amid travel ban and variant concerns
Coronavirus: Stay-at-home order, vaccines needed to avoid 3rd wave in Ontario, experts say | FULL
A Race Against Time? COVID-19 Vaccines and SARS CoV2 Variants
Every American could have access to a Covid-19 vaccine by summer: NIH director
