Just two doses of an experimental vaccine protects the upper and lower airways from Covid-19 – in non-human primates – Innovation Toronto

Colorized scanning electron micrograph of a cell (blue) heavily infected with SARS-CoV-2 virus particles (red), isolated from a patient sample. Image captured at the NIAID Integrated Research Facility (IRF) in Fort Detrick, Maryland.

The biotech firm’s leading candidate has just entered phase three clinical trials in the U.S. Find out why this vaccine technology is promising—but not without its skeptics.

Developed by the US National Institutes of Health and Moderna, mRNA-1273 early trial results showed that the vaccine boosted the immune system in ways expected to be protective. Some side effects, …

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