Diseases, Conditions, Syndromes

Canada confirms first COVID Omicron infections

Canada said Sunday it has detected its first cases of the new Omicron strain of COVID, in two people who had traveled recently to Nigeria.

Diseases, Conditions, Syndromes

Fauci urges vaccines as US on 'high alert' for COVID variant

Senior government scientist Anthony Fauci said Monday the United States was on "high alert" for the new COVID-19 variant and urged people to get vaccinated after Canada confirmed its first cases of the new strain.

Immunology

What happens to our immune systems when we get a booster?

Questions about COVID-19 vaccine boosters—like who is eligible and how to choose one—have dominated scientific discussions, news headlines, and dinner-table conversations recently, but the practice of giving our immune ...

Ophthalmology

New research shows virtual school can harm children's vision

When COVID-19 first shut down classrooms and virtual schooling became the new norm, ophthalmologists predicted an increase in digital eye strain in children. New research from ophthalmologists at Wills Eye Hospital confirms ...

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