COVID 19 variants

A new family of COVID-19 variants known as 'FLiRT' is now dominant in the United States. The most effective solution may be to strengthen our natural immunity.

Elevated body temperature activates the key antiviral protein interferons effective in combating infections like COVID-19

The effectiveness of COVID-19 vaccines fell below 20 percent a few months after vaccination, with booster shots seeing ...

Commentary In January, an Israeli Defence Forces Intelligence report (pdf) warned that Israel’s mass vaccination program could create ...

The Hong Kong government announced on June 28 that it would implement a regional flight “circuit breaker” for ...

Hong Kong has announced that all foreign domestic helpers in the city will undergo compulsory COVID testing after ...

REGINA—Saskatchewan is tightening public-health measures in and around its capital city over concerns about the spread of COVID-19 ...

OTTAWA—Canada's chief medical adviser says her department is constantly receiving and reviewing any data on vaccines and COVID-19 ...

OTTAWA—Prime Minister Justin Trudeau says "rare exceptions" to new travel restrictions will be made on compassionate grounds, but ...