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Mass. doctor on why protection from COVID vaccines is declining
Mass. doctor on COVID-19 vaccine recommendations
Mass. doc on how much protection COVID-19 vaccines are providing
Mass. doctor on 'tripledemic' threat, fall vaccine push
Video: Mass General doctor explains why COVID-19 booster shots are needed
Mass. doctor's long-term view of COVID-19 battle, vaccines
Mass. doc breaks down vaccine effectiveness
Mass. doctor on J&J COVID-19 vaccine, effectiveness
Mass. doctor discusses a fourth dose of the COVID-19 vaccine
Mass. doctor on COVID-19 booster shots
Mass. doctor on COVID-19 booster shots: 'Real benefit to everybody'
Mass. doctor addresses common vaccine myths
