B.C. Centre for Disease Control article states “A single dose of mRNA vaccine reduced the risk of SARS-CoV-2 in adults (less than) 70 by about two-thirds, with protection only minimally reduced against (Alpha) and (Gamma) variants.”
The B.C. Centre for Disease Control has released data showing a single dose of Pfizer or Moderna vaccine reduced the risk of catching COVID-19 by 66 per cent, and worked against the Alpha and Gamma variants.
In an article released on Wednesday, the BCCDC reported mass single-doses in older adults were effective enough to defer giving second doses if there are supply problems.
The study was done during the second wave of COVID-19 in B.C. at the start of the year when the Alpha (initially found in the U.K.) and Gamma (initially found in Brazil) variants appeared.
“A single dose of mRNA vaccine reduced the risk of SARS-CoV-2 in adults (less than) 70 by about two-thirds, with protection only minimally reduced against (Alpha) and (Gamma) variants,” the study states.
According to provincial health officer Dr. Bonnie Henry, ten per cent of all people who have received vaccine in B.C. are fully vaccinated. There have been 3.75 million doses administered to 74.5 per cent of all adults in B.C.
Henry reported 148 new cases of COVID-19 on Wednesday and three deaths.
It’s the ninth straight day that the province’s daily total has dropped below 200 cases.
There are 195 people being treated in hospital for COVID-19, including 47 in intensive care.
with files from Scott Brown
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