B.C. residents who had AstraZeneca vaccine can choose second-dose vaccine
VICTORIA — British Columbians who’ve had a dose of the Oxford-AstraZeneca vaccine will have the option of choosing their second shot within a four-month interval, the provincial health officer says.
Dr. Bonnie Henry said Monday that 20,000 doses of the AstraZeneca vaccine are set to expire at the end of June and were reserved for people who, for a variety of reasons, may not be able to get an mRNA vaccine such as the one made by Pfizer-BioNTech.
However, further data are expected by the first week of June from a study in the United Kingdom on the effectiveness of switching vaccines for the second dose, and Henry said that information will be shared with B.C. residents.
“I ask people to be patient,” she said. “We know that we have some time in which your immune system is developing its protective response to your first dose,” she said of evidence from the U.K. and other countries suggesting it may be more beneficial to wait up to 12 weeks for the second dose.