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Record number of British Columbians vaccinated in single day

To date, the province has administered 192,942 doses since vaccines began arriving in mid-December. Of those vaccinations, 36,923 were for a second dose. Vaccines from both Pfizer Inc. and Moderna Inc. require two doses for maximum efficacy. “This is very good news,” said Gustafson, who was filling in for provincial health officer Dr. Bonnie Henry. Health Minister Adrian Dix said more than half of the 12,250 doses administered on Thursday 6,271 were second doses. “The only issue holding back the immunization campaign at this stage is supply,” he said during the media briefing. Canada has experienced a significant shortfall of vaccines in recent weeks amid delays from both Pfizer and Moderna.

Bonnie henryAdrian dixDanutam skowronskiReka gustafsonPfizer incInstitut national de sante publique du quebecBc centre for diseaseModerna incHealth canadaBritish columbiansMinister adrian dixNew england journalDisease controlGaston de serresInstitut national de sante publiqueபோனி ஹென்றி

Is it time to delay second doses of coronavirus vaccines?

Is it time to delay second doses of coronavirus vaccines? Two letters to major medical journals this week provide fuel for the argument that in these times of scarce coronavirus vaccine, people can skip their second doses, immediately doubling the supply for others. In one, researchers at Israel’s largest hospital watched what happened when more than 7,000 staff there got vaccinated. In between their first and second doses of the Pfizer/BioNTech vaccine, rates of infected plummeted. By the second to fourth week after the first shot, rates of symptomatic infection were down by 85%. In a second, Canadian researchers found evidence of more than 90% protection after a single dose of the Pfizer/BioNTech vaccine.

United statesUnited kingdomWhite houseDistrict of columbiaAndy slavittDanuta skowronskiTom friedenEyal leshemAnthony fauciNational institute of allergyDrug administrationUs centers for diseaseBritish columbia centre for diseaseQuebec public health instituteTel aviv sheba medical centerNational institute

The long shot: Why waiting 90 days for a second vaccine dose might be a great idea

The long shot: Why waiting 90 days for a second vaccine dose might be a great idea Marie Sutherland © Evan Mitsui/CBC University of Ottawa epidemiologist Raywat Deonandan says he might not have supported the 90-day delay a few months ago. But we are now facing an emergency, he said. The news that Public Health will delay giving the second COVID-19 vaccine dose to some New Brunswickers for as long as 90 days seemed shocking when it was revealed at Thursday s live update. One day later, epidemiologists, researchers and even Canada s top doctor are weighing in with new findings and factors, and suddenly it doesn t seem so shocking anymore.

United kingdomErodney russellDanuta skowronskiTheresa tamRaywat deonandanJennifer russellPublic healthHealth drLinstitut national de santBritish columbia centre for diseaseMemorial university of newfoundlandUniversity of ottawaNew brunswickersChief medical officerNew brunswickMemorial university

Single vaccine jab appears highly effective against COVID-19, experts say

Single vaccine jab appears highly effective against COVID-19, experts say
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Manitoba should consider delaying second doses of COVID vaccine

Winnipeg Free Press By: Tom Brodbeck | Posted: 7:00 PM CST Friday, Feb. 19, 2021 Opinion Manitoba’s public health officials will have some tough decisions ahead as evidence mounts that delaying the second dose of the COVID-19 vaccine may save more lives than following existing immunization protocols. Winnipeg Free Press Manitoba’s public health officials will have some tough decisions ahead as evidence mounts that delaying the second dose of the COVID-19 vaccine may save more lives than following existing immunization protocols. It’s been known for some time that the efficacy of both the Pfizer-BioNTech and Moderna vaccines increases over time after the first shot. Clinical trials for both showed the level of protection rises almost to levels attained after the second jab. What’s less clear is how long that protection lasts and what, if any, are the long-term implications of delaying the second dose.

United kingdomDanuta skowronskiHoward njooTom brodbeckCanada national advisory committee on immunizationQuebec national institute of public healthBritish columbia centre for diseaseEsteban felixBritish columbia centreDisease controlGaston de serresQuebec national institutePublic healthNew england journalNational advisory committeeLatest news