How long does immunity last? When it comes to COVID-19 vaccines, Canadian researchers have been trying to tackle the question.

There has never been such a dangerous virus that spread so quickly. But so, too, did information about the coronavirus in a bid to develop a vaccine with unprecedented speed.

'I felt that I was healthy and I've had vaccines in the past and never had adverse reactions, so I felt that I'll do my part,' said Peter Wearing, who now lives in Arizona.

Entos Pharmaceuticals has been awarded federal money to conduct the phase 1 clinical trial of Covigenix, its COVID-19 DNA vaccine.

Widespread vaccination is the "best shot" at a chance to return to normal, said Dr. Theresa Tam.

Abram L. Wagner of the University of Michigan says he wants to be among the first in line for an approved COVID-19 vaccine. But he also wants medical research to ensure it's safe.

Even after a coronavirus vaccine is approved, there's a lot of work that will need to be done before you can get your shot.

China has denied the allegations of spying and intellectual property theft as "malicious slander."

A World Health Organization official said she is optimistic that a coronavirus vaccine will be developed soon, though there are many uncertainties still.

Cyber spies are targeting Canada's COVID-19 research, a report says.