An early trial of a prospective COVID-19 vaccine that will soon be tested on Canadians has found it to be safe and effective at prompting an immune response.
A study published Friday in the Lancet says the formulation from China's CanSino Biologics Inc. needs more trials to determine whether it can actually protect against SARS-CoV-2, the virus that causes COVID-19.
But it says early trials involving 108 adults in Wuhan produced neutralizing antibodies and a response in T-cells, which protect the body from pathogens, after 28 days. The most common side effects — described as "mild" and "moderate" — were pain at the injection site, fever, fatigue and headache.
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