Sri Lanka gives Pfizer shots to some as 2nd dose
COLOMBO, Sri Lanka — Sri Lanka is administering Pfizer shots to people who were left waiting after receiving their first AstraZeneca doses earlier this year.
Mixing two vaccines is still being studied for its effectiveness, but Sri Lanka health officials approved it due to a severe AstraZeneca shortage.
Sri Lanka received 26,000 doses of Pfizer on Monday as the first batch of 5 million shots to be received this year. It started rolling them out Wednesday to residents 55 and older in the…