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Avian influenza is an infectious disease of birds caused by the influenza A virus

Data, guidance and programmes of work relating to COVID-19

Chlamydia is a bacterial infection and is one of the most common sexually transmitted infections in the UK

Cryptosporidiosis is a disease caused parasites carried by animals

Campylobacter is the most common bacterial cause of infectious intestinal disease in the UK

Cyclosporiasis is a diarrhoeal disease spread by eating contaminated food and drink

Chickenpox is a mild and common illness that mostly affects children

Brucellosis is a rare disease spread to humans from infected farm animals

Chlamydia psittaci is a type of bacteria that often infects birds

Clostridium botulinum spores are common in the environment