Diseases, Conditions, Syndromes

A test that detects COVID-19 variants in your spit

With the Delta variant wreaking havoc on unvaccinated populations and COVID-19 cases spiking around the world, the pandemic is far from over. Despite the impressively fast development of SARS-CoV-2 diagnostic tests over the ...

Immunology

'Natural immunity' from omicron is weak and limited, study finds

In unvaccinated people, infection with the omicron variant of SARS-CoV-2 provides little long-term immunity against other variants, according to a new study by researchers at Gladstone Institutes and UC San Francisco (UCSF), ...

Diseases, Conditions, Syndromes

Omicron lasts three days less than Delta for boosted: study

People who are vaccinated and have had a booster shot against COVID-19 recover from symptoms from the Omicron variant more than three days earlier than those with the Delta variant, a study said Friday.

Diseases, Conditions, Syndromes

What makes the delta variant of COVID-19 so contagious?

The delta variant of SARS-CoV-2 has swept the planet, becoming the dominant variant within just a few months. A new study from Boston Children's Hospital, published in Science, explains why delta spreads so easily and infects ...

Diseases, Conditions, Syndromes

COVID-19: The older you are, the more antibodies you have

With the emergence of SARS-CoV-2 variants worldwide, the pandemic's spread is accelerating. A research team led by Joelle Pelletier and Jean-François Masson, both professors in Université de Montréal's Department of Chemistry, ...

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