Pfizer vax linked to rheumatic disease flares

One in six patients with the condition experience flares following COVID-19 vaccination: study

Nearly one in six patients with rheumatic diseases who received a COVID-19 vaccine experienced disease flares after getting their immunisations, a US study finds.

A survey of more than 1100 patients in New York who had received at least one vaccine dose revealed that 15% experienced flares.

Among the 654 who had received both doses of a Pfizer or Moderna vaccine, 113 (17%) flared, with 26 (23%) flaring only after the first dose, 48 (42%) flaring only after the second dose, and 37 (33%) flaring after both doses,

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