Experts try to assuage worries after Health Canada extends expiration date on AstraZeneca vaccines
Health Canada has approved adding another month to the shelf life of two lots of OxfordAstraZeneca vaccine that were due to expire yesterday.
Many immunologists and infectious-disease experts are trying to calm any fears Canadians may have about extending the expiration date on thousands of doses of AstraZeneca COVID-19 vaccine.
Health Canada has approved adding another month to the shelf life of two lots of Oxford-AstraZeneca vaccine that were due to expire yesterday.
The 11th hour decision on the weekend caused some concern about whether it was truly based on science, or because of a policy failure to use the doses in time.
But pharmacologist Sabina Vohra-Miller, founder of the website Unambiguous Science, says a change in expiry date is not uncommon