US Advises Older Adults Not to Receive Chikungunya Vaccine for Now

European authorities have paused administration of the shot over safety concerns.

A box of Ixchiq chikungunya vaccine at a pharmacy in Le Reunion, in a file photograph. Richard Bouhet/AFP via Getty Images

U.S. officials are recommending that adults aged 60 and up not receive the only available chikungunya vaccine after reports that older individuals who received the shot suffered severe symptoms typically associated with the chikungunya virus.

Two of the patients died.