People who have had Covid-19 are highly unlikely to contract the disease again for at least six months after their first infection, according to a British study of healthcare workers on the frontline of the fight against the coronavirus pandemic.

Antibody levels against the novel coronavirus rose and then held steady for up to four months in more than 90% of recovered Covid-19 patients in Iceland, according to a published study.

First U.S. novel coronavirus reinfection case identified in Nevada study (Reuters) – Researchers for the first time have identified someone in the United States who was reinfected with the novel coronavirus, according to a study that has not yet been reviewed by outside experts. The report, published online, describes a 25-year-old man living in Reno, […]

Two European patients were confirmed to have been re-infected with the coronavirus, raising concerns about people’s immunity to the virus as the world struggles to tame the pandemic.

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.

The World Health Organization said on Saturday that there was currently “no evidence” that people who have recovered from COVID-19 and have antibodies are protected from a second coronavirus infection.