Infectious diseases are illnesses caused by organisms such as bacteria, viruses, fungi or parasites. Some infectious diseases can be passed from person to person. Some are transmitted by insects or other animals; others you may get by consuming contaminated food or water or being exposed to organisms in the environment.
Diseases & Conditions of Concern
Infectious Disease List- Anthrax
- Botulism
- Brucellosis
- Clostridium Perfringens (Epsilon Toxin)
- Ebola Hemorrhagic Fever (Ebola)
- Glanders
- Melioidosis
- Plague; Bubonic, Septicemic, Pneumonic (Plague)
- Q-Fever
- Ricin Poisoning
- Smallpox
- Staphylococcal Food Poisoning, Enterotoxin - B Poisoning (Staph Food Poisoning)
- Tularemia (Rabbit fever)
- Viral Hemorrhagic Fever (Ebola, Lassa, Marburg)
Click here to learn more about Food Poisoning and Illnesses
Parasitic
- Cryptosporidiosis (Crypto)
- Cyclosporiasis
- Giardiasis (Giardia)
- Trichonosis Infection (Trichinosis)
Bacteria
- Campylobacteriosis
- E. coli infection , Shiga toxin-producing (STEC)
- Listeriosis (Listeria)
- Salmonellosis gastroenteritis (Salmonella)
- Shigellosis gastroenteritis (Shigella)
- Typhoid Fever , Group D
- Vibrio cholerae (Cholera)
- Vibriosis (Vibrio)
- Yersenia (Yersinia)
Toxins
- Botulism
- Ciguatera (Harmful Algae Blooms (HABs))
- Paralytic Shellfish Poisoning (Paralytic Shellfish Poisoning, Ciguatera)
- Scombroid
- Staphylococcal Food Poisoning , Enterotoxin - B Poisoning (Staph Food Poisoning)
Viral
- Hepatitis A (Hep A)
- Norovirus
Viral
It is common to get sick from respiratory viruses such as COVID-19, flu, and respiratory syncytial virus (RSV), especially in the fall and winter. There are actions you can take to protect yourself and others. Learn about whether you’re more likely to get seriously ill, how to prevent these viruses, what to do if you get sick, and if these viruses are spreading in your community. Click here to learn more about respiratory viruses.
- Avian Influenza
- COVID-19 (Coronavirus Disease 2019)
- Enterovirus Infection , Non-Polio (Non-Polio Enterovirus)
- Enterovirus Infection , D68 (EV-D68)
- Influenza (Flu)
- Meningitis , Viral (Meningitis, viral)
- Middle East Respiratory Syndrome Coronavirus (MERS-CoV)
- Respiratory Syncytial Virus (RSV)
Bacteria
- Haemophilus Influenza disease, Type B (Hib or H-flu)
- Legionellosis (Legionnaires Disease)
- Meningococcal Disease , Bacterial (Meningitis, bacterial)
- Pertussis (Whooping Cough)
- Pneumococcal Disease (Pneumonia)
- Psittacosis (Parrot Fever)
- Streptococcal Disease , Group A (Group A Strep)
- Streptococcal Disease, Group B (Strep-B)
- Alpha-gal Syndrome (AGS)
- Anaplasmosis
- Babesiosis
- Ehrlichiosis
- Lyme Disease
- Powassan
- Rickettsiosis (Rocky Mountain Spotted Fever)
- Diphtheria
- Haemophilus Influenza disease, Type B (Hib or H-flu)
- Hepatitis A (Hep A)
- Hepatitis B (Hep B)
- Herpes Zoster, zoster VZV (Shingles)
- Human Papillomavirus (HPV)
- Influenza (Flu)
- Measles CDC
- Meningitis, Viral (Meningitis, viral)
- Meningococcal Disease , Bacterial (Meningitis, bacterial)
- Monkeypox Virus (Mpox)
- Mumps
- Pertussis (Whooping Cough)
- Pneumococcal Disease (Pneumonia)
- Poliomyelitis (Polio)
- Rabies
- Respiratory Syncytial Virus (RSV)
- Rubella, Including congenital (German Measles)
- Tetanus Infection, tetani (Lock Jaw)
- Varicella (Chickenpox)
- Yellow Fever
Ebola Hemorrhagic Fever (Ebola)
Viral Hemorrhagic Fever (Ebola, Lassa, Marburg)