The Advisory Committee on Immunization Practices voted 15 to 0 to make the recommendation Thursday after hearing updates from Centers for Disease Control and Prevention officials on reports of J&J vaccine recipients experiencing blood clots combined with low blood-platelet levels.

The updated position is likely to deal another blow to the use of the J&J shot, whose uptake had been hurt by manufacturing issues and earlier reports of the blood-clotting condition.

There have been at least 54 cases of the condition, thrombosis with thrombocytopenia syndrome, or TTS, among J&J vaccine recipients in the U.S., including nine resulting in deaths, CDC officials said Thursday.

CDC Advisers Recommend Pfizer, Moderna Covid-19 Vaccines Over J&J’s – WSJ