From 1 April 2013, HPA is part of Public Health England.
The legacy HPA website hosts pages on infectious diseases, chemicals and poisons, radiation and emergency response for PHE.
People who inject drugs (PWID) are vulnerable to a diverse range of infectious and communicable diseases. Public Health England conducts an unlinked anonymous survey of HIV and Hepatitis in people who inject drugs, to measure the changing prevalence of infections in this at-risk group.
Measles is a vaccine preventable disease for which there is a national immunisation programme in the UK. See epidemiological data and current guidelines on the Measles pages.
Avian influenza is a disease of birds caused by influenza viruses closely related to human 'ful viruses. Transmission to humans in close contact with poultry or other birds is rare, and occurs only with certain strains. See current information about avian flu in humans on the Avian influenza page.
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