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We are the national center at the intersection of community development and health. Our mission is to shift the way organizations work across the community development, finance, and health sectors in order to collectively advance equity, reduce poverty, and improve health in neighborhoods across the country.

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Breakthrough Infection Study of Over 600,000 Veterans Shows Declining COVID-19 Vaccine Protection

A new pre-print study of over 600,000 veterans by researchers from PHI and the Veterans Affairs Medical Center finds that overall COVID-19 vaccine protection declined significantly between February and August 2021. Declines were greatest for the Johnson & Johnson vaccine (from 88% in March to 3% in August), followed by PfizerBioNTech (91% to 50%) and Moderna (92% to 64%).

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