COVID-19 mass vaccination clinics in the London and Middlesex region will switch from administering the Pfizer to the Moderna vaccine.The Middlesex-London Health Unit (MLHU) says this is due to the challenges associated with a delayed delivery of Pfizer next week.
mRNA COVID-19 vaccines should be 2nd dose after AstraZeneca shot: NACI The vaccination clinics at the Western Fair Agriplex, North London Optimist Community Centre and the Caradoc Community Centre in Mount Brydges will administer Moderna to adults for first or second doses.A limited supply of Pfizer will be available at each clinic for youth aged 12 to 17 years old.The MLHU says the interchangeability of mRNA vaccines has been supported by experts at both the Public Health.