U.K. to offer adults under 40 alternative vaccines to AstraZeneca-Oxford over blood clot concerns

People under 40 in Britain will no longer be given the AstraZeneca-Oxford coronavirus vaccine if another shot is available because of a link to rare, but serious, blood clots, the government said Friday.

It said the change would not affect the goal of giving all U.K. adults at least one vaccine dose by July.

The Joint Committee on Vaccination and Immunization (JCVI) said people aged 30 to 39 without underlying health conditions should receive an alternative vaccine “where available and only if this does not cause substantial