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AstraZeneca applies for approval of antibody treatment that provides passive immunity against COVID-19 for up to a year according to the press release. Indicated for vulnerable people who are immunocompromised or who have not responded to the vaccine.
Medical Mythbusting Commentary for November 4, 2021 Source:Health Canada to review AstraZeneca’s antibody therapy that could prevent COVID-19
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Health Canada adds Capillary Leak Syndrome, as an extremely rare side effect of AZ and Covishield vaccine. Six people in Europe and UK reported had syndrome after vaccine out of 78 million doses given. One case in Canada reported to date. #FullDisclosure
Medical Mythbusting Commentary for June 30, 2021 Source:Health Canada adds warning of very rare, serious condition as potential vaccine side-effect
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Observational studies show excellent efficacy of two-dose regimen of Pfizer or AZ against the Delta variant dramatically reducing the risk of hospitalization. #vaccineswork
Medical Mythbusting Commentary for June 15, 2021 Source:2 Pfizer COVID-19 vaccines more effective than AstraZeneca against Delta variant, data says Reference:SARS-CoV-2 Delta VOC in Scotland: demographics, risk of hospital admission, and vaccine effectivenessEffectiveness of COVID-19 vaccines against hospital admission with the Delta (B.1.617.2) Variant
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What should your #seconddose of #covidvaccine be if 1st was AZ? Factors include wait-time/availability, Delta variant prevalence, occupational risks, and study evidence. Answer seems to leaning to Pfizer or Moderna as 2nd dose of choice.
Medical Mythbusting Commentary for June 14, 2021 Source:Ontario shortens wait between AstraZeneca doses from 12 to 8 weeksMix-and-match COVID vaccines trigger potent immune response
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NACI recommends second dose Pfizer/moderna vaccine for those who had AZ as their first dose.
Medical Mythbusting Commentary for June 2, 2021 Source:National vaccine panel allows for mixing and matching COVID-19 vaccines Reference:An Advisory Committee Statement (ACS) National Advisory Committee on Immunization (NACI)
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With all that has happened with miscommunication and damage to confidence, if you want to make people suspicious of your decision Health Canada, this is the way to do it.
Medical Mythbusting Commentary for May 29, 2021 Source:Health Canada extends the expiry date of the AstraZeneca vaccine. It would be helpful if they released all the data to help health care providers explain the rationale to the public.
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Sunday House Call, #792 , May 30, 2021: The Best Before Date
Health Canada extends the expiry date of the AstraZeneca vaccine. It would be helpful if they released all the data to help health care providers explain the rationale to the public. Mandating that the job prerequisite for health care providers with direct contact with patients especially those who are vulnerable, be vaccinated, in this case…
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German study proposes a mechanism behind the rare blood clots associated with AstraZeneca vaccine.
Medical Mythbusting Commentary for May 27, 2021 Source:German scientists say they can help improve Covid vaccines to prevent blood clots Reference:“Vaccine-Induced Covid-19 Mimicry” Syndrome: Splice reactions within the SARS-CoV-2 Spike open reading frame result in Spike protein variants that may cause thromboembolic events in patients immunized with vector-based vaccines
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For those who have had AstraZeneca as their first dose, small Spanish study shows that using Pfizer as the second dose is safe and effective. More evaluation and other trials are ongoing but still, good news.
Medical Mythbusting Commentary for May 19, 2021 Source:Spanish Study Finds AstraZeneca Vaccine Followed by Pfizer Dose Is Safe and Effective