Any vaccinated Canadian who gets infected with SARS-CoV-2 should wait three months before getting a COVID-19 booster shot, Canada’s National Advisory Committee on Immunization (NACI) now recommends.
The new guidance comes as millions of Canadians have become infected in mere weeks, thanks to the fast-spreading, immune-evasive Omicron variant.
“A longer interval between infection and vaccination may result in a better immune response as this allows time for this response to mature in breadth and strength, and for circulating antibodies to decrease, thus avoiding immune interference when the vaccine is administered,” the NACI team wrote in the recommendations released Friday.
At this point, there is “insufficient
