List of infectious diseases causing flu-like syndrome

This is a list of infectious diseases, other than the most common ones, that cause flu-like syndrome (influenza-like illness):

Bacterial

 * Anthrax
 * Brucellosis
 * Cat scratch fever
 * Legionellosis
 * Leptospirosis
 * Listeriosis
 * Lyme disease
 * Lymphogranuloma venereum
 * Mastitis
 * Salmonellosis
 * Toxic Shock Syndrome
 * Syphilis
 * Tuberculosis
 * Scrub typhus
 * Rocky Mountain spotted fever

Viral

 * Bornholm disease (Coxsackie B virus)
 * COVID-19
 * Chickenpox
 * Cytomegalovirus
 * Eastern equine encephalitis virus
 * California encephalitis virus
 * Enteroviruses
 * Hendra virus
 * Hepatitis A, B, C, D, E
 * Herpes
 * HIV-1, -2
 * Newcastle disease
 * Human parainfluenza viruses
 * Human rhinovirus
 * Measles
 * MERS coronavirus
 * Human respiratory syncytial virus (RSV)
 * Rubella
 * SARS coronavirus
 * SARS coronavirus 2
 * Slapped cheek syndrome
 * Smallpox
 * Togaviridae
 * Venezuelan equine encephalitis

Fungal

 * Blastomycosis
 * Coccidioidomycosis
 * Histoplasmosis
 * Stachybotrys chartarum

Protozoan

 * Babesiosis
 * Leishmaniasis
 * Malaria
 * Toxoplasmosis