Study: Vaccines still effective against delta variant

Obtaining two vaccine doses remains the most effective way to ensure protection against the COVID-19 delta variant of concern dominant in the UK today, according to a study from the University of Oxford. Conducted in partnership with the Office of National Statistics (ONS) and the Department for Health and Social…

How well do COVID vaccines work in the real world?

Many Australians will be weighing up whether to be vaccinated with the AstraZeneca vaccine, which is widely available, or to wait for Pfizer later in the year. There are many factors to consider. One is how well these COVID-19 vaccines work in the “real world” of those getting vaccines now….

mRNA vaccines effective for preventing symptomatic COVID-19

For health care personnel (HCP), the vaccine effectiveness (VE) of authorized mRNA COVID-19 vaccines (Pfizer-BioNTech and Moderna) against symptomatic COVID-19 illness is 82 and 94 percent for a single dose and for two doses, respectively, according to research published in the May 14 early-release issue of the U.S. Centers for…

China’s Sinovac Vaccine 67% Effective for Symptomatic Infection

SANTIAGO (Reuters) – Sinovac’s COVID-19 vaccine CoronaVac was 67% effective in preventing symptomatic infection in the first real-world study of the Chinese shot, the Chilean government said on Friday. The vaccine was 85% effective in preventing hospitalizations and 80% effective in preventing deaths, the government said in a report prepared…