Medical research

Newly discovered antibody recognizes many strains of flu virus

Some vaccines are once-in-a-lifetime; others need a booster shot or two to maintain their potency. And then there's the flu vaccine, which only lasts a year. Strains of influenza virus change so much from year-to-year that ...

Diseases, Conditions, Syndromes

Vole fever spreading further south in Sweden

Researchers have discovered that bank voles in Skåne, southern Sweden, carry a virus that can cause hemorrhagic fever in humans. This finding was made more than 500 km south of the previously known range.

Diseases, Conditions, Syndromes

What you need to know about XBB.1.5, COVID's latest variant

A new variant of the novel coronavirus now makes up more than half of U.S. COVID-19 cases, according to the latest data from the Centers for Disease Control and Prevention. A subvariant of Omicron, XBB.1.5 spreading fast ...

Diseases, Conditions, Syndromes

Flu vaccine may not protect against main flu strain: study

(HealthDay)—This season's flu vaccine may do little to prevent infection with the main circulating virus strain because the strain has changed since the vaccine was developed, a new study suggests.

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 ...

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