Intended for healthcare professionals

Letters Trivalent flu vaccine

Trivalent flu vaccine may provide cross protection of circulating influenza B

BMJ 2018; 360 doi: (Published 20 February 2018) Cite this as: BMJ 2018;360:k725
  1. John S Bradley, NHS principal public health practitioner
  1. Powys Public Health Team, Public Health Wales, Bronllys Hospital, Bronllys LD3 0LU, UK
  1. john.bradley{at}

Despite this year’s trivalent flu vaccine not containing the circulating B Yamagata strain,1 it could …

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