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Highly contagious viral infection affecting unvaccinated populations worldwide
Coronavirus disease surveillance and variant tracking
Leading cause of foodborne illness and gastroenteritis outbreaks
Search or browse 209 diseases with outbreak intelligence
Acute Bronchiolitis is a common viral respiratory infection primarily affecting infants and young ch...
Acute Diarrheal Disease (ADD) is a sudden episode of frequent, loose, or watery stools, lasting typi...
Acute Respiratory Infection (ARI) is an infection affecting the lungs and airways, ranging from mild...
Amebiasis is an infection of the intestines, and sometimes other organs, caused by the parasitic amo...
Amebic CNS refers to severe, often fatal, brain infections caused by specific types of free-living a...
Anaplasmosis is a bacterial infection caused by the bacterium *Anaplasma phagocytophilum*. It is pri...
Ancylostomiasis, commonly known as hookworm infection, is a parasitic disease caused by intestinal r...
Anthrax is a serious bacterial infection caused by *Bacillus anthracis*. It naturally affects livest...
Arboviral diseases are viral infections transmitted to humans and animals through the bite of infect...
Imported from NNDSS: Arboviral diseases, Eastern equine encephalitis virus disease...
Imported from NNDSS: Arboviral diseases, Jamestown Canyon virus disease...
Imported from NNDSS: Arboviral diseases, La Crosse virus disease...
Imported from NNDSS: Arboviral diseases, Powassan virus disease...
Imported from NNDSS: Arboviral diseases, St. Louis encephalitis virus disease...
Imported from NNDSS: Arboviral diseases, West Nile virus disease...
Imported from NNDSS: Arboviral diseases, Western equine encephalitis virus disease...
Ascariasis is an infection of the small intestine caused by the parasitic roundworm *Ascaris lumbric...
Avian Influenza (H5N1) is a highly pathogenic respiratory infection caused by an Influenza A virus s...
Babesiosis is a parasitic infection of red blood cells caused by *Babesia* species. It's primarily t...
Botulism is a rare but severe paralytic illness caused by neurotoxins produced by *Clostridium botul...
Imported from NNDSS: Botulism, Foodborne...
Imported from NNDSS: Botulism, Infant...
Imported from NNDSS: Botulism, Other (wound & unspecified)...
Brucellosis is a *bacterial* infection caused by bacteria of the *Brucella* genus. It is a *zoonotic...
COVID-19 is a highly contagious respiratory illness caused by the *SARS-CoV-2* virus. It primarily a...
**California Serogroup Viruses** are a group of RNA viruses primarily transmitted to humans through ...
Campylobacteriosis is a bacterial infection of the gastrointestinal tract, primarily caused by *Camp...
Candida auris is a multi-drug resistant **yeast** (a type of fungus) that can colonize the body with...
Imported from NNDSS: Candida auris, clinical...
Imported from NNDSS: Candida auris, screening...
Carbapenem-Resistant Enterobacteriaceae (CRE) are a group of **bacteria** resistant to carbapenem an...
Imported from NNDSS: Carbapenemase-Producing Organisms (CPO), Total...
Chagas Disease, also known as American trypanosomiasis, is an infection caused by the *Trypanosoma c...
Chancroid is a bacterial sexually transmitted infection (STI) caused by *Haemophilus ducreyi*. It is...
Chickenpox is a highly contagious viral infection caused by the Varicella-zoster virus (VZV). It pri...
Chickenpox (Varicella) is a highly contagious viral infection caused by the varicella-zoster virus (...
Chikungunya fever is a *viral infection* caused by the *Chikungunya virus* (CHIKV). It is transmitte...
Chlamydia trachomatis infection is a common sexually transmitted bacterial infection caused by the b...
Cholera is an acute diarrheal infection caused by the bacterium *Vibrio cholerae*. It primarily affe...
Ciguatera Fish Poisoning is a foodborne illness caused by eating fish contaminated with *ciguatoxins...
Coccidioidomycosis, commonly known as Valley Fever, is a fungal infection caused by *Coccidioides* s...
Imported from NNDSS: Coccidioidomycosis, Confirmed...
Imported from NNDSS: Coccidioidomycosis, Probable...
Imported from NNDSS: Coccidioidomycosis, total...
Contaminated Sharps Injury is an accidental puncture wound from a sharp object (e.g., needle, scalpe...
Creutzfeldt-Jakob Disease (CJD) is a rare, rapidly progressive, and invariably fatal neurodegenerati...
Creutzfeldt-Jakob disease (CJD) is a rare, rapidly progressive, and fatal neurodegenerative disorder...
Cryptosporidiosis is a diarrheal disease caused by the *Cryptosporidium* parasite. It primarily affe...
Cyclosporiasis is an intestinal illness caused by the microscopic parasite *Cyclospora cayetanensis*...
Cysticercosis is a parasitic infection caused by the larval stage (cysticerci) of the pork tapeworm,...
Taeniasis is an intestinal infection caused by adult tapeworms like *Taenia solium* (pork tapeworm) ...
Dengue is a viral infection caused by the Dengue virus (DENV), primarily transmitted by _Aedes_ mosq...
Dengue is a mosquito-borne viral infection caused by the dengue virus. It is common in tropical and ...
Imported from NNDSS: Dengue virus infections, Dengue...
Imported from NNDSS: Dengue virus infections, Dengue-like illness...
Imported from NNDSS: Dengue virus infections, Severe dengue...
Diphtheria is a serious bacterial infection caused by *Corynebacterium diphtheriae*. It primarily af...
Domoic Acid Poisoning, also known as Amnesic Shellfish Poisoning (ASP), is a severe form of food poi...
E. Coli (_Escherichia coli_) is a common type of bacteria. While many strains are harmless and live ...
Echinococcosis is a **parasitic infection** caused by tapeworms of the genus *Echinococcus*, primari...
Ehrlichiosis and Anaplasmosis are two distinct but related **bacterial infections** primarily transm...
Enterohemorrhagic Escherichia coli (EHEC) infection is a bacterial illness of the gut caused by spec...
Fascioliasis is a parasitic infection caused by liver flukes, primarily *Fasciola hepatica* or *Fasc...
Fever is an elevation of the body's core temperature above its normal range (typically >100.4°F or 3...
Fever with rash is a common medical presentation characterized by an elevated body temperature accom...
Flavivirus Infection is a viral illness caused by viruses belonging to the *Flavivirus* genus. These...
Food Poisoning, or foodborne illness, is an infection or intoxication caused by consuming food or dr...
Gastroenteritis, commonly known as \"stomach flu,\" is an inflammation of the lining of the stomach ...
Giardiasis is an intestinal infection caused by the microscopic parasite **Giardia duodenalis** (als...
Imported from NNDSS: Gonorrhea...
Gonorrhoea is a common bacterial sexually transmitted infection (STI) caused by *Neisseria gonorrhoe...
*Haemophilus influenzae* is a **bacterial** infection. While it can cause mild illnesses like ear in...
Imported from NNDSS: Haemophilus influenzae, invasive disease, Age <5 years, Non-b serotype...
Imported from NNDSS: Haemophilus influenzae, invasive disease, Age <5 years, Nontypeable...
Imported from NNDSS: Haemophilus influenzae, invasive disease, Age <5 years, Serotype b...
Imported from NNDSS: Haemophilus influenzae, invasive disease, Age <5 years, Unknown serotype...
Hansen's disease, also known as leprosy, is a chronic infectious disease caused by the bacterium *My...
Hantavirus Infection is a rare but severe viral disease caused by *Hantaviruses*. It is primarily tr...
Imported from NNDSS: Hantavirus infection, non-hantavirus pulmonary syndrome...
Imported from NNDSS: Hantavirus pulmonary syndrome...
Hemolytic Uremic Syndrome (HUS) is a serious complication characterized by the destruction of red bl...
Imported from NNDSS: Hemolytic uremic syndrome post-diarrheal...
Hepatitis is an inflammation of the liver, most commonly caused by several different viruses (Hepati...
Hepatitis A is a highly contagious liver infection caused by the Hepatitis A virus (HAV). It is a sh...
Imported from NNDSS: Hepatitis A, Confirmed...
Hepatitis B is a viral infection caused by the Hepatitis B virus (HBV) that primarily targets the li...
Imported from NNDSS: Hepatitis B, acute, Confirmed...
Imported from NNDSS: Hepatitis B, acute, Probable...
Imported from NNDSS: Hepatitis B, chronic, Confirmed...
Imported from NNDSS: Hepatitis B, chronic, Probable...
Imported from NNDSS: Hepatitis B, perinatal, Confirmed...
Hepatitis C is a viral infection caused by the **Hepatitis C virus (HCV)** that primarily attacks th...
Imported from NNDSS: Hepatitis C, acute, Confirmed...
Imported from NNDSS: Hepatitis C, chronic, Confirmed...
Imported from NNDSS: Hepatitis C, chronic, Probable...
Imported from NNDSS: Hepatitis C, perinatal, Confirmed...
Hepatitis E is a liver infection caused by the Hepatitis E virus (HEV). It is most common in develop...
Histoplasmosis is a fungal infection caused by *Histoplasma capsulatum*. It primarily affects the lu...
Human Immunodeficiency Virus (HIV) is a viral infection that progressively attacks and weakens the b...
Influenza-like Illness (ILI) is a clinical diagnosis for a respiratory illness with symptoms similar...
Influenza, Novel A refers to a new respiratory infection caused by a strain of *Influenza A virus* t...
Influenza-Associated Pediatric Mortality refers to the death of a child (under 18 years old) confirm...
Invasive pneumococcal disease (IPD) is a serious bacterial infection caused by *Streptococcus pneumo...
Imported from NNDSS: Invasive pneumococcal disease, age <5 years, Confirmed...
Imported from NNDSS: Invasive pneumococcal disease, age <5 years, Probable...
Imported from NNDSS: Invasive pneumococcal disease, all ages, Probable...
Japanese Encephalitis (JE) is a serious mosquito-borne viral infection caused by a flavivirus. It pr...
Japanese encephalitis (JE) is a serious viral infection of the brain caused by the *Japanese encepha...
Legionellosis is a severe bacterial infection, most commonly presenting as pneumonia (Legionnaires' ...
Leishmaniasis is a parasitic disease caused by *Leishmania* parasites, transmitted to humans through...
Leprosy is a chronic infectious disease caused by the *bacterium* ***Mycobacterium leprae***. It pri...
Imported from NNDSS: Leprosy (Hansen's disease)...
Leptospirosis is a zoonotic bacterial disease caused by *Leptospira* bacteria. It primarily affects ...
Listeriosis, Confirmed, is a serious bacterial infection caused by *Listeria monocytogenes*. It prim...
Imported from NNDSS: Listeriosis, Probable...
Lower Respiratory Tract Infection (LRTI) is an infection affecting the airways and lungs below the v...
Lyme disease is a bacterial infection caused by *Borrelia burgdorferi*, spread to humans through the...
Malaria is a serious, life-threatening disease caused by **Plasmodium parasites** that are transmitt...
Measles is a highly contagious viral infection caused by the measles virus. It primarily affects unv...
Imported from NNDSS: Measles, Imported...
Imported from NNDSS: Measles, Indigenous...
Melioidosis is a serious bacterial infection caused by *Burkholderia pseudomallei*, a bacterium foun...
Melioidosis is a serious bacterial infection caused by *Burkholderia pseudomallei*, found in contami...
Meningitis is an inflammation of the protective membranes (*meninges*) surrounding the brain and spi...
Meningococcal disease is a severe, life-threatening bacterial infection caused by *Neisseria meningi...
Imported from NNDSS: Meningococcal disease, Other serogroups...
Imported from NNDSS: Meningococcal disease, Serogroup B...
Imported from NNDSS: Meningococcal disease, Serogroups ACWY...
Imported from NNDSS: Meningococcal disease, Unknown serogroup...
Mfox is a viral infection caused by the *Mpox virus* (formerly *Monkeypox virus*), a member of the *...
Mpox is a viral disease caused by the *Mpox virus*, a member of the *Orthopoxvirus* family. It prima...
Multidrug-Resistant Acinetobacter (MDR-A) is a serious bacterial infection primarily caused by *Acin...
Mumps is an acute viral infection caused by the **Mumps virus**, primarily affecting the salivary gl...
Norovirus is a highly contagious virus that causes acute gastroenteritis, inflammation of the stomac...
Novel Influenza A virus infections are respiratory illnesses caused by new or significantly altered ...
Imported from NNDSS: Novel Influenza A virus infections, Confirmed...
Imported from NNDSS: Novel Influenza A virus infections, Total...
Paralytic Shellfish Poisoning (PSP) is a severe and potentially fatal form of seafood poisoning caus...
Pertussis, commonly known as whooping cough, is a highly contagious bacterial infection of the respi...
Plague is a severe bacterial infection caused by *Yersinia pestis*. It primarily affects rodents but...
Plague, human is a severe infectious disease caused by the bacterium *Yersinia pestis*. It primarily...
Poliomyelitis, paralytic is a severe infectious disease caused by the poliovirus, an enterovirus. It...
Poliovirus infection, nonparalytic, is a viral infection caused by the poliovirus that does not resu...
Prion diseases are rare, fatal neurodegenerative disorders caused by abnormal, misfolded proteins ca...
Psittacosis, also known as parrot fever, is a bacterial infection caused by *Chlamydia psittaci*. It...
Imported from NNDSS: Q fever, Acute...
Imported from NNDSS: Q fever, Chronic...
Q fever is a bacterial infection caused by *Coxiella burnetii*. It is a zoonotic disease primarily a...
Queue, or Lineritis Syndrome, is a novel neurological disorder caused by the *Lineritis viridae* (LN...
Rabies, Human is a severe, almost always fatal viral infection of the brain and nervous system, caus...
Relapsing Fever is an acute bacterial infection caused by *Borrelia* spirochetes, characterized by r...
Relapsing Fever, Tick-Borne (TBRF) is a bacterial infection caused by several species of *Borrelia* ...
Rickettsiosis, Unspecified, refers to a bacterial infection caused by various *Rickettsia* species w...
Rubella, also known as German measles, is a mild contagious viral infection caused by the Rubella vi...
Imported from NNDSS: Rubella, congenital syndrome...
*Salmonella Typhi* infection, also known as typhoid fever, is a serious bacterial illness caused by ...
Imported from NNDSS: SalmonellaParatyphi infection...
Salmonellosis is a common bacterial infection caused by various types of *Salmonella* bacteria. It p...
Imported from NNDSS: Salmonellosis (excluding Salmonella Typhi infection and Salmonella Paratyphi in...
Scarlet Fever is a bacterial infection caused by *Streptococcus pyogenes*, the same bacteria respons...
Scombroid Fish Poisoning is a foodborne illness caused by consuming certain fish containing high lev...
Scrub typhus is an acute febrile illness caused by the bacterium *Orientia tsutsugamushi*. It is tra...
Severe acute respiratory syndrome (SARS) is a serious viral respiratory illness caused by the *SARS-...
Imported from NNDSS: Shiga toxin-producing Escherichia coli (STEC)...
Shigellosis is an acute intestinal infection caused by *Shigella* bacteria. It primarily affects you...
Smallpox was a highly contagious, serious viral disease caused by the *Variola virus*. It historical...
Spotted Fever Rickettsiosis is a group of bacterial infections caused by Rickettsia species, transmi...
St. Louis Encephalitis Virus (SLEV) is a mosquito-borne viral infection caused by a *Flavivirus*. Wh...
Streptococcal toxic shock syndrome (STSS) is a rare but severe and rapidly progressing invasive bact...
Invasive *Streptococcus pneumoniae* (ISP) is a severe bacterial infection occurring when the *Strept...
Invasive Group A Streptococcus (iGAS) is a serious bacterial infection caused by *Streptococcus pyog...
Group B Streptococcus (GBS) Invasive disease is a severe bacterial infection caused by *Streptococcu...
Congenital Syphilis is a serious bacterial infection caused by *Treponema pallidum*, passed from a p...
Imported from NNDSS: Syphilis, Primary and secondary...
Taeniasis is an intestinal infection in humans caused by adult parasitic tapeworms from the *Taenia*...
Tetanus is a serious bacterial infection caused by *Clostridium tetani*, which produces a potent neu...
**Thrombocytopenia syndrome** (also known as Severe Fever with Thrombocytopenia Syndrome, SFTS) is a...
Imported from NNDSS: Toxic shock syndrome (other than Streptococcal)...
Trichinellosis is a parasitic disease caused by roundworms of the *Trichinella* species. Humans beco...
Trichinosis is a foodborne parasitic disease caused by roundworms of the *Trichinella* species. It o...
Trichuriasis, commonly known as whipworm infection, is an intestinal disease caused by the parasitic...
Tsutsugamushi disease, also known as scrub typhus, is an acute febrile illness caused by the bacteri...
Tuberculosis (TB) is a serious bacterial infection caused by *Mycobacterium tuberculosis*, primarily...
Tularemia is a rare but serious bacterial infection caused by *Francisella tularensis*. It primarily...
Typhoid fever is a serious bacterial infection caused by *Salmonella Typhi*. It spreads through cont...
Typhus Fever is an acute infectious disease caused by *Rickettsia* bacteria. It is transmitted to hu...
An Upper Respiratory Tract Infection (URTI) is an acute infection affecting the nose, throat, pharyn...
Vancomycin-resistant *Staphylococcus aureus* (VRSA) infection is a serious bacterial infection cause...
Imported from NNDSS: Vancomycin-intermediate Staphylococcus aureus...
Imported from NNDSS: Vancomycin-resistant Staphylococcus aureus...
Imported from NNDSS: Varicella disease...
Vibriosis is a bacterial infection caused by various species of *Vibrio* bacteria. These bacteria ar...
Imported from NNDSS: Vibriosis (any species of the family Vibrionaceae, other than toxigenic Vibrio ...
Imported from NNDSS: Vibriosis (any species of the family Vibrionaceae, other than toxigenic Vibrio ...
Viral Fever is a general term for an elevated body temperature caused by a viral infection. It occur...
Viral Hemorrhagic Fevers (VHFs) are severe, life-threatening illnesses caused by several families of...
Viral Hepatitis is an inflammation of the liver caused by specific hepatitis viruses (A, B, C, D, an...
Visa is not recognized as an infectious disease in current medical literature or public health datab...
West Nile Fever is a viral infection caused by the **West Nile Virus (WNV)**, a flavivirus. It prima...
Yellow Fever is a serious *viral* infection spread by infected mosquitoes, primarily found in tropic...
Yersiniosis is a bacterial infection primarily caused by *Yersinia enterocolitica* or *Yersinia pseu...
Zika Virus Disease is a viral infection caused by the Zika virus, primarily transmitted by mosquitoe...
Imported from NNDSS: Zika virus disease, non-congenital...
Bacterial dysentery is an acute intestinal infection primarily caused by *Shigella* bacteria, leadin...
Dengue fever is a viral infection caused by the dengue virus (DENV), transmitted to humans through t...
Hemorrhagic fever with renal syndrome (HFRS) is a severe viral illness caused by *hantaviruses*. It ...
Pneumococcal infection is a bacterial infection caused by *Streptococcus pneumoniae*. It can lead to...
Rash fever, often referring to **Measles** (Rubeola), is a highly contagious viral infection caused ...
Whooping cough, or pertussis, is a highly contagious bacterial infection of the respiratory tract ca...
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