C Campylobacter Chlamydia Chlamydophila Psittaci Cholera Clostridiodes difficile infection (CDI) Clostridium perfringens enteritis Creutzfeldt-Jacob Disease (CJD) Cryptosporidiosis
H Haemophilus influenzae type b invasive disease Hendra virus Hepatitis A Hepatitis B Hepatitis C Hepatitis E HIV Human Transmissible Spongiform Encephalopathies (TSE), including Creutzfeldt-Jakob Disease (CJD)
M Malaria Middle East Respiratory Syndrome coronavirus (MERS-CoV) Measles Melioidosis Meningococcal infections Mumps Mycoplasma genitalium
S Salmonella Severe acute respiratory syndrome coronavirus (SARS-CoV) Shiga-like toxigenic Escherichia coli (STEC) Shigellosis Smallpox Syphilis