No images? Click here MEMO: Optimal Interval Between First and Second Doses of COVID-19 VaccineTO: Pharmacy and Health Care Professionals in Niagara FROM: Pandemic Response Division, Niagara Region Public Health REFERENCE: Optimal Interval Between First and Second Doses of COVID-19 Vaccine DATE: Nov. 12, 2021 Since COVID-19 vaccination began, studies have been evaluating the impact of longer intervals used by countries such as Canada and the United Kingdom on protection against COVID-19. Research shows that the very good protection provided by COVID-19 vaccines is further improved when the interval between the first and second doses is extended beyond the authorized intervals. Specifically, extending the interval leads to (a) greater protection after the second dose, and (b) greater durability of protection such that immunity does not wane. According to National Advisory Committee on Immunization (NACI), the optimal interval between the first and second dose of a two-dose COVID-19 vaccine series is
Actions for Pharmacy and Health Care Professionals
More Information Call the COVID-19 Primary Care Info-Line at 905-688-8248 (press 7, then 1 for physicians). The info-line is open Monday to Friday, 8:30 a.m. to 4:15 p.m. |