Scientists are concerned that the coronavirus could evolve within animal populations, potentially spawning dangerous viral mutants that could jump back to people, spread among us and reignite what for now seems to some people like a waning crisis.
The number of people killed by the coronavirus surged by more than 40 per cent last week, likely due to changes in how COVID-19 deaths were reported across the Americas and by newly adjusted figures from India, according to a World Health Organization report released Wednesday.
The U.S. Food and Drug Administration has expanded the emergency use authorization of the Pfizer and Moderna COVID-19 vaccines to allow adults age 50 and older to get a second booster as early as four months after their first booster dose of any COVID-19 vaccine.
A new study reveals the significant impact that effective ventilation can have on limiting the transmission of COVID-19 in schools. In an effort to curb the spread of coronavirus in Canadian schools, experts are calling for better ventilation and air quality monitoring.