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Clinical trial says Pfizer vaccine protection lasts for 6 months
Pfizer Says COVID Vaccine Safe Through Up To 6 Months After Second Dose
Pfizer Says COVID-19 Vaccine Protection Lasts At Least Six Months, Protects Against Variants
Pfizer Says Its Vaccine Will Last Up To 6 Months After 2nd Dose | TODAY
Pfizer says COVID-19 vaccine protections last at least 6 months
Study: Moderna COVID-19 vaccine lasts at least 6 months
Pfizer vaccine less effective after 6 months, study says
Moderna vaccine lasts at least 6 months, study says
Phase 3 Clinical Trial Of Pfizer Covid-19 Vaccine Remains Highly Effective After Six Months
Pfizer says vaccine effective 6 months after 2nd dose; CT COVID-19 update
VERIFY: COVID-19 vaccines offer protection for at least 6 months, maybe longer
Moderna says vaccine offers 6 month protection
