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Doctor in white rubber protective gloves putting adhesive bandage on young man's arm after scratch on skin or injection of vaccine. First aid. Medical, pharmacy and healthcare concept. Closeup.

COV-BOOST trial data show value of fourth dose

Administering a fourth dose of an mRNA COVID-19 vaccine provides a stronger level of protection than a third dose, particularly in the over-70s, according to the latest readout from the UK

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Studying inequities throughout the pandemic

Alain Labrique, PhD, professor and associate chair of research at Johns Hopkins Bloomberg School of Public Health (JHSPH) and chair of the World Health Organization (WHO) digital health gui