Immunology

New research may explain severe virus attacks on the lungs

In some cases, immune cells in the lungs can contribute to worsening a virus attack. In a new study, researchers at Karolinska Institutet in Sweden describe how immune cells called macrophages develop in the lungs and which ...

Diseases, Conditions, Syndromes

Temperature changes affect poor more than rich

People who live in poorer cities have a higher risk of being hospitalised if temperatures change quickly through the course of a day or over a short period, according to a study undertaken in Brazil.

Medications

Drug may boost vaccine responses in older adults

A drug that boosts the removal of cellular debris in immune cells may increase the protective effects of vaccines in older adults, a study published today in eLife shows.

Diseases, Conditions, Syndromes

WHO warns Christmas celebrations could turn to tears

The World Health Organization warned Friday that Christmas celebrations could turn to tears if people fail to keep up their guard against COVID-19 during the festive season.

Diseases, Conditions, Syndromes

If you already had COVID, do you need the COVID vaccine?

More than 15 million Americans have been infected by the COVID-19 virus, and many may be questioning whether they need to receive one of the two coronavirus vaccines now on the verge of approval from U.S. regulators.

Diseases, Conditions, Syndromes

What is the real point of lockdowns?

We are all familiar now with the use of circuit breakers, lockdowns and other interventions, such as masks and social distancing: these have been policy decisions to restrict the spread of COVID-19 in many places. In the ...

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