cat_immune-system Archives

Vaccines against COVID-19 were available to the public about 1 year after the pandemic began. Three vaccines are currently in

How COVID-19 vaccines prime T cells to fight new coronavirus variants

Some SARS-CoV-2 variants of concern can evade neutralizing antibodies in vaccinated individuals, raising concerns about the ability of vaccines to

A new study provides reassurance that a longer gap between the first and second doses of the Oxford-AstraZeneca vaccine will

Researchers tested the ability of antibodies in serum from vaccinated individuals and individuals who had previously contracted the virus to

As the SARS-CoV-2 virus continues to evolve, we explore what vaccine developers are doing to ensure their vaccines work against

Scientists have long puzzled over how the immune system surveils the brain when the blood-brain barrier prevents immune cells from

Israel is a world leader in the race to roll out the COVID-19 vaccine. In this Special Feature, Medical News

Scientists have discovered that strains of tuberculosis (TB) with a supposedly lethal mutation can, in fact, survive — and that