Immunology

Resident T cells discovered in lymph nodes

The immune system is fast when it comes to fighting viruses, bacteria and other pathogens. But it also has to know when not to attack—for example, harmless substances such as pollen or house dust, which otherwise trigger ...

Diseases, Conditions, Syndromes

Updated COVID-19 boosters and XBB.1.5: What you need to know

As the world marches toward the completion of its fourth year with COVID-19, data from the U.S. Centers for Disease Control and Prevention (CDC) show that the majority of those infected, hospitalized or dying from the SARS-CoV-2 ...

Diseases, Conditions, Syndromes

'Positive' trial for Pfizer-BioNTech COVID-flu jab

Germany's BioNTech and US pharmaceutical giant Pfizer on Thursday announced "positive" results from initial trials of their combined mRNA vaccine against COVID-19 and influenza.

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