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What Science Has To Say About “Herd Immunity”

The precise scientific term is “indirect protection” or “community immunity.” This is the protection against infection of a susceptible group of individuals

Global childhood vaccination remains resilient, but equity cracks are widening

In 2024, immunisation data from WHO and UNICEF show that while 115 million infants (89%) received at least one dose of DTP vaccine and 109 million...

Health Equity & Inclusion in Action: Laying the Foundations for a Fairer, Healthier Future

The Health Equity and Inclusion in Action report, commissioned by the biopharmaceutical company Gilead Sciences and developed by the global think tank Observer Research Foundation (ORF),...

The Human Immunodeficiency Virus (HIV), CD4+ T lymphoctyes and AIDS

Human immunodeficiency virus (HIV) infection results from 1 of 2 similar retroviruses (HIV-1 and HIV-2) that destroy CD4+ T lymphocytes and impair cell-mediated immunity, increasing risk of certain infections and cancers.