Health News

Pfizer: third dose of vaccine could protect against Delta variant

Third dose of Pfizer vaccine boosts antibodies up to 11-fold against the Indian ‘Delta’ variant as study finds efficacy of standard two shots drops to 84% after six months Pfizer released trial data for the third dose of the company’s COVID-19 vaccine during an earnings call Wednesday Pre-print study data finds that efficacy of Pfizer […]

Health News

Response to one COVID-19 vaccine dose strong in previously infected

(HealthDay)—For persons with a history of previous infection with severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), the neutralizing antibody titer is higher after one dose of mRNA vaccine than after two vaccine doses among previously uninfected persons, according to a research letter published online April 14 in the New England Journal of Medicine. Gabriele Anichini, […]

Health News

Don’t skip second COVID-19 vaccine dose, warn experts

CDC: More than 4M vaccine doses administered in one day Fox News medical contributor and Johns Hopkins’ Dr. Marc Siegel joins ‘America’s Newsroom’ to discuss new vaccine milestone. If you have received the first dose of the COVID-19 vaccine, make sure you get the second, experts are stressing, even if you are concerned about the […]

Health News

COVID-19 vaccinations: What you need to know about the second dose

In Canada, currently approved COVID-19 vaccines—from Moderna and Pfizer-BioNTech—have demonstrated remarkable efficacy based on two doses taken at specified intervals. But what happens if you contract COVID-19 in between shots? Dr. Manish Sadarangani, associate professor at UBC’s faculty of medicine and director of the Vaccine Evaluation Center at BC Children’s Hospital, weighs in on the […]

Health News

FDA Review Finds Pfizer COVID-19 Vaccine Effective After First Dose

TUESDAY, Dec. 8, 2020 — New data released Tuesday by the U.S. Food and Drug Administration Vaccines and Related Biological Products Advisory Committee suggest that Pfizer’s two-dose COVID-19 vaccine works well protecting recipients against COVID-19. The committee is scheduled to meet on Thursday to consider the Pfizer/BioNTech COVID-19 vaccine for emergency use authorization, CNBC reported. […]

Health News

Oxford COVID-19 vaccine up to 90% effective (with the right dose)

A third major coronavirus vaccine candidate has revealed promising results in late-stage trials, as researchers announced the so-called Oxford vaccine is around 70% effective in preventing COVID-19; and it can be 90% effective when given at a specific dose, according to a statement released on Monday (Nov. 23). The news follows recent announcements from Pfizer […]