Research shows that children can become infected with the coronavirus and spread it to others. Though rare, some kids do become severely ill and a few have died from COVID-19.

Nanoparticles dressed up in cell membranes snag SARS-CoV-2 virus particles before they reach human cells.

There is speculation about whether a population can achieve some sort of immunity to the virus with as little as 20% infected.

If you have had COVID-19 already, are you protected from another bout of the illness? And is the presence of antibodies in your blood a guarantee of immunity?

An antigen test was given emergency use authorization by the FDA in early May. A biochemist explains how COVID-19 antigen tests work.

'Nanobodies' produced by the llama immune system can neutralise the virus that causes COVID-19.

We blame the coronavirus for the thousands of deaths, but it is actually a hyperactive immune reaction that is the cause of death. An immunologist explains.

Figuring out how the immune system responds to and defeats coronavirus is our best way out of the pandemic.