First-line defences short-lived

First-line immune defences against COVID-19 are short-lived and may explain reinfection. A new study finds that antibodies produced in the nose decline nine months after...

How coronavirus spreads through air

Samples from public spaces could show how coronavirus spreads through the air: A new UK study will explore whether tiny airborne droplets and particles can...

Human challenge studies for COVID-19

Researchers are set to explore a human challenge study with the virus that causes COVID-19, the first such study anywhere in the world. The Human...