A study of the lungs of people who have died from Covid-19 found persistent and extensive lung damage in most cases and may help doctors understand what is behind a syndrome known as ‘long Covid’, in which patients suffer ongoing symptoms for months.

Roche acquired a portfolio of experimental cystic fibrosis therapies, including a candidate that has the potential to treat all patients with the disease.

A roundup of some of the latest scientific studies on the novel coronavirus and efforts to find treatments and vaccines for Covid-19, the illness caused by the virus.