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"It seems that the clinical trials are pretty representative," she said.In December 2020 two mRNA COVID-19 vaccines-Pfizer-BioNTech (BNT162b2) and Moderna (mRNA-1723) – were authorised for emergency use in the U.S.

The answer to both questions in Canada so far has been no, said Sharma.

The second is whether the side effects documented are more severe, or greater in number, than what the trials saw. The first is whether anything has happened that was not observed during the clinical trials. She said experts look to answer two questions when reviewing data after vaccines are delivered. "There haven't been any serious adverse events, or even the mild and moderate adverse events, that have been out of line or different than what we've seen in the clinical trials," Sharma said in an interview with The Canadian Press on Friday. She said there have been no reports of unexpected side effects from patients vaccinated against COVID-19 to date. Supriya Sharma is Health Canada's chief medical adviser and is overseeing the vaccine review process. "The benefits of vaccines authorized in Canada continue to outweigh the risks," the site reads. The website notes that not all adverse events experienced by people after receiving a vaccine are necessarily caused by the vaccine. The most frequent non-serious adverse events reported so far have been swelling at the site of injection, nausea and a sensation of pins and needles, according to the data. One patient reported a headache, one reported facial paralysis, one suffered chills, another fainted and one reported pain in extremities. Of those who reported serious symptoms, three suffered severe allergic reactions.

29 serious adverse events reported in U.S.14 and, according to data collated by the COVID-19 Data Working group - a volunteer group of academics and data analysts - at least 234,000 doses have administered so far, mostly to front-line healthcare workers and long-term care residents and employees.Īdverse events can range from soreness at the site of injection or a slight fever to more serious issues, such as severe allergic reactions. 1. All nine people received the Pfizer-BioNTech vaccine. These weekly reports on COVID-19 vaccine safety aim to provide Canadians with regular access to credible information that will assist them in making informed and confident decisions on vaccination for themselves and their families," Tam said.Īccording to the website, nine people reported experiencing a total of 65 symptoms - eight of which were considered severe - as of Jan. "As with any new undertaking, we all have questions. Theresa Tam said the federal government has launched a new website that will provide weekly reports on vaccine safety.

Health Canada has received nine reports of adverse medical reactions following coronavirus vaccinations in Canada but has seen no evidence of unexpected side effects, federal public health officials said today.Īt a news briefing in Ottawa, Canada's Chief Public Health Officer Dr.