A treatment called pegylated interferon lambda shows good efficacy against the omicron strain of the coronavirus and in people who have been vaccinated, unlike some other antivirals
8 February 2023
A new antiviral medicine for covid-19, given as an injection within a week of developing symptoms, halves the number of people needing hospital treatment, a large trial has found.
The result is promising because the medicine seems to be as effective in people who caught the omicron variant as in those who got previous variants of the virus, as well as in people who are vaccinated.
The treatment, a compound called pegylated interferon lambda, was tested in a randomised trial of nearly 2000 people living in …
Article amended on 9 February 2023
We have clarified the benefits of pegylated interferon lambda over other antivirals