Mixing Pfizer, AstraZeneca doses provides strong immune response against COVID-19: study

Mixing doses of the Pfizer-BioNTech and AstraZeneca-Oxford vaccines generate a stronger immune response than having two rounds of the AstraZeneca shot, new U.K. research suggests, though the highest antibody response was seen in people being fully vaccinated with Pfizer.

from CBC | Health News https://ift.tt/3AbcM4X