Letters
Trivalent flu vaccine
Trivalent flu vaccine may provide cross protection of circulating influenza B
BMJ 2018; 360 doi: https://doi.org/10.1136/bmj.k725 (Published 20 February 2018) Cite this as: BMJ 2018;360:k725
- John S Bradley, NHS principal public health practitioner
- Powys Public Health Team, Public Health Wales, Bronllys Hospital, Bronllys LD3 0LU, UK
- john.bradley{at}wales.nhs.uk
Despite this year’s trivalent flu vaccine not containing the circulating B Yamagata strain,1 it could …
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