Global Diseases and Threats A-Z | Global Health | CDC
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Archived: 2026-04-23 17:14
Global Diseases and Threats A-Z | Global Health | CDC
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Global Diseases and Threats A-Z
Feb. 23, 2026
At a glance
The A-Z index makes global topics easier to find. Explore a comprehensive array of topics in global health, including diseases, conditions, and more. Navigate through alphabetical categories to find specific information on various subjects.
Browse By Letter
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z
#
A
Acanthamoeba Infection
(Keratitis)
Contact Lens-related Eye Infections
African Trypanosomiasis
(African Sleeping Sickness)
About Sleeping Sickness
Alveolar Echinococcosis
About Echinococcosis
Amebiasis
(
Entamoeba histolytica Infection)
About Amebiasis
American Trypanosomiasis
(Chagas Disease)
Chagas Disease
Ancylostomiasis
(Hookworm)
About Soil-transmitted helminths
Angiostrongyliasis
About Rat Lungworm Disease
Anisakiasis
(Pseudoterranova Infection)
About Anisakiasis
Anthrax
About Anthrax
Antimicrobial resistance
Antimicrobial Resistance
Ascariasis
(Intestinal Roundworms)
About Ascariasis
Avian Influenza
Avian Influenza (Bird Flu)
Back to top
B
Babesiosis
(Babesia Infection)
About Babesiosis
Balantidiasis
(Balantidium Infection)
About
Balantidium coli
infection
Balamuthia
About
Balamuthia
Infections
Baylisascariasis
(Baylisascaris Infection) (Raccoon Roundworm)
About Raccoon Roundworm
Bed Bugs
About Bed Bugs
Birth Defects
Birth Defects
Blastocystis hominis Infection
About Blastocystis
Body Lice Infestation
(Pediculosis)
About Body Lice
Back to top
C
Cancer
Cancer
Capillariasis
(Capillaria Infection)
About Capillariasis
Cardiovascular Disease
(Heart Disease)
About Heart Disease
Cat tapeworm
(dog tapeworm, Dipylidium caninum Infection)
About Dog or Cat Tapeworm Infection
Cercarial Dermatitis
(Swimmer's Itch)
About Swimmer's Itch
Chagas disease
(American Trypanosomiasis)
Chagas Disease
Chikungunya Virus
About Chikungunya
Cholera
About Cholera
Chronic Obstructive Pulmonary Disease
(COPD)
About COPD
Clonorchiasis
(Clonorchis Infection)
About Clonorchis
"Crabs"
(Pubic Lice)
About Pubic "Crab" Lice
Cryptosporidiosis
About Crypto Infections
Cutaneous Larva Migrans
(Zoonotic Hookworms)
About Zoonotic Hookworm
Cyclosporiasis
(Cyclospora Infection)
Cyclosporiasis
Cysticercosis
(
Neurocysticercosis)
About Cysticercosis
Cystic Echinococcosis
(Hydatid Disease)
About Cystic echinococcosis (CE)
Cystoisospora Infection
(Isospora Infection)
About Cystoisosporiasis
Back to top
D
Dengue
Dengue
Diabetes
Diabetes
Dientamoeba fragilis Infection
About Dientamoeba fragilis
Diphyllobothriasis
(Diphyllobothrium Infection)
About Diphyllobothrium
Dipylidium caninum Infection
(
dog tapeworm, cat tapeworm)
About Dog or Cat Tapeworm Infection
Dirofilariasis
(Dirofilaria Infection)
About Dirofilariasis
Dracunculiasis
(
Guinea Worm Disease)
About Guinea Worm
Dog tapeworm
(Dipylidium caninum Infection, cat tapeworm)
About Dog or Cat Tapeworm Infection
Back to top
E
Ebola
(Ebola Virus Disease)
Ebola Disease Basics
Echinococcosis
(Alveolar, Cystic Echinococcosis)
About Echinococcosis
Elephantiasis
(Filariasis, Lymphatic Filariasis)
About Lymphatic Filariasis
Entamoeba histolytica Infection
(Amebiasis)
About Amebiasis
Enterobiasis
(Pinworm Infection)
About Pinworm Infection
Back to top
F
Fasciola Infection
About Fasciola
Fasciolopsiasis
(Fasciolopsis Infection)
About Fasciolopsis
Filariasis
(Lymphatic Filariasis, Elephantiasis)
About Lymphatic Filariasis
Flu
(Influenza)
About CDC's Global Influenza Program
Foodborne Diseases
Food Safety
Back to top
G
Giardiasis
(Giardia Infection)
About
Giardia
infections
Gnathostomiasis
(Gnathostoma Infection)
About Gnathostomiasis
Group B Strep
Group B Strep Disease
Guinea Worm Disease
(Dracunculiasis)
About Guinea Worm
Back to top
H
Head Lice Infestation
(Pediculosis)
About Head Lice
Heart Disease
(Cardiovascular Disease)
About Heart Disease
Hepatitis
Viral Hepatitis
Heterophyiasis
(Heterophyes Infection)
Heterophyiasis
High Blood Pressure
(Hypertension)
About High Blood Pressure
HIV/AIDS
Global HIV and TB
Hookworm
(Ancylostomiasis)
About Hookworm
Hookworm Infection, Zoonotic
(Ancylostomiasis, Cutaneous Larva Migrans)
About Zoonotic Hookworm
Hydatid Disease
(Cystic Echinococcosis)
About Cystic echinococcosis (CE)
Hymenolepiasis
(Hymenolepis Infection)
About Hymenolepiasis (Dwarf Tapeworm)
Hypertension
(High Blood Pressure)
About High Blood Pressure
Back to top
I
Influenza
(Flu)
About CDC's Global Influenza Program
Intestinal Roundworms
(Ascariasis)
About Ascariasis
Isospora Infection
(Cystoisospora Infection)
About Cystoisosporiasis
Back to top
J
Japanese Encephalitis
About Japanese Encephalitis
Back to top
K
Kala-azar
(Leishmaniasis)
About Leishmaniasis
Keratitis
(Acanthamoeba Infection)
What Causes Contact Lens-related Eye Infections
Back to top
L
Lassa fever
About Lassa Fever | Lassa Fever | CDC
Legionella (Legionnaires' Disease)
About Legionnaires' Disease
Leishmaniasis (Kala-azar)
About Leishmaniasis
Leprosy
(Hansen's Disease)
About Hansen's Disease (Leprosy)
Lyme Disease
Lyme Disease
Lymphatic filariasis
(Filariasis, Elephantiasis)
About Lymphatic Filariasis
Back to top
M
Malaria
Malaria
Marburg Virus Disease
Marburg Virus Disease
Measles
About Global Measles
Meningitis
Meningitis
Methicillin-resistant Staphylococcus aureus
(MRSA)
Methicillin-resistant
Staphylococcus aureus
(MRSA) Basics
Middle East Respiratory Syndrome
(
MERS)
About Middle East Respiratory Syndrome (MERS)
Motor Vehicle Safety
Transportation Safety
Mumps
Mumps Vaccination
Mycetoma
Mycetoma Basics
Microsporidiosis
(
Microsporidia Infection)
Microsporidiosis
Mite Infestation
(Scabies)
About Scabies
Monkeypox
Monkeypox
Myiasis
About Myiasis
Back to top
N
Naegleria Fowleri
Infection
About
Naegleria fowleri
Infections
Natural Disasters
Natural Disasters and Severe Weather
Neurocysticercosis
(Cysticercosis)
About Cysticercosis
Neglected Tropical Diseases
Neglected Tropical Diseases
New World Screwworm (NWS)
About New World Screwworm Myiasis
Nipah Virus
About Nipah Virus
Back to top
O
Ocular Larva Migrans
(Toxocariasis)
About Toxocariasis
Onchocerciasis
(River Blindness)
About Onchocerciasis
Opisthorchiasis
(Opisthorchis Infection)
About Opisthorchis
Back to top
P
Paragonimiasis
(
Paragonimus Infection)
About Paragonimiasis
Pediculosis
(Body, Head Lice Infestation)
About Body Lice
Pertussis
Pertussis (Whooping Cough)
Pinworm Infection
(Enterobiasis)
About Pinworm Infection
Pneumonia
Pneumonia
Pseudoterranova Infection
(Anisakiasis)
About Anisakiasis
Polio
Global Polio Vaccination
Pubic Lice
("Crabs")
About Pubic "Crab" Lice
Back to top
Q
Q Fever
About Q fever
Back to top
R
Rabies
About Rabies
Raccoon Roundworm
(Baylisascariasis)
About Raccoon Roundworm
Rift Valley Fever (RVF)
About Rift Valley Fever (RVF)
River Blindness
(Onchocerciasis)
About Onchocerciasis
Road Safety
Transportation Safety
Rubella
Global Rubella Vaccination
Back to top
S
Salmonella
Salmonella
Infection (Salmonellosis)
Sappinia
Free Living Amebic Infections
Sarcocystosis
(Sarcocystosis Infection)
About Sarcocystosis
Scabies
(Mite Infestation)
About Scabies
Schistosomiasis
(Bilharzia, Snail Fever)
About Schistosomiasis
Sexually Transmitted Diseases
(STDs)
About Sexually Transmitted Infections (STIs)
Sickle Cell Disease
Sickle Cell Disease (SCD)
Smoking
Smoking and Tobacco Use
Snail Fever
(Schistosomiasis, Bilharzia)
About Schistosomiasis
Soil-transmitted Helminths
About Soil-transmitted helminths
Stroke
About Heart Failure
Strongyloidiasis
(Strongyloides Infection)
About Strongyloides
Swimmer's Itch
(Cercarial Dermatitis)
About Swimmer's Itch
Back to top
T
Tapeworm Infection
(Taeniasis)
About Human Tapeworm
Taeniasis
(Tapeworm)
About Human Tapeworm
Tobacco
Smoking and Tobacco Use
Toxocariasis
(Ocular Larva Migrans)
About Toxocariasis
Toxoplasmosis
About Toxoplasmosis
Trachoma
Global NTD Programs
Trichinellosis
(Trichinosis)
About Trichinellosis
Trichuriasis
(Whipworm)
About Whipworms
Typhoid Fever
About Typhoid Fever and Paratyphoid Fever
Tuberculosis
Global HIV and TB
Back to top
V
Violence Prevention
Violence Prevention
Visceral Larva Migrans
(Toxocariasis)
About Toxocariasis
Back to top
W
Water, Sanitation and Hygiene (WASH)
Global Water, Sanitation and Hygiene
West Nile Virus
West Nile Virus
Whipworm
(Trichuriasis)
About Whipworms
Whooping Cough
About Whooping Cough
Back to top
Y
Yellow Fever
About Yellow Fever
Back to top
Z
Zika Virus
Zika Virus
Zoonotic Diseases
About Zoonotic Diseases
Back to top
Feb. 23, 2026
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A-Z Index
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Skip directly to site content
Skip directly to search
An official website of the United States government
Here's how you know
Official websites use .gov
A
.gov
website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS
A
lock
(
) or
https://
means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.
Global Diseases and Threats A-Z
Feb. 23, 2026
At a glance
The A-Z index makes global topics easier to find. Explore a comprehensive array of topics in global health, including diseases, conditions, and more. Navigate through alphabetical categories to find specific information on various subjects.
Browse By Letter
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z
#
A
Acanthamoeba Infection
(Keratitis)
Contact Lens-related Eye Infections
African Trypanosomiasis
(African Sleeping Sickness)
About Sleeping Sickness
Alveolar Echinococcosis
About Echinococcosis
Amebiasis
(
Entamoeba histolytica Infection)
About Amebiasis
American Trypanosomiasis
(Chagas Disease)
Chagas Disease
Ancylostomiasis
(Hookworm)
About Soil-transmitted helminths
Angiostrongyliasis
About Rat Lungworm Disease
Anisakiasis
(Pseudoterranova Infection)
About Anisakiasis
Anthrax
About Anthrax
Antimicrobial resistance
Antimicrobial Resistance
Ascariasis
(Intestinal Roundworms)
About Ascariasis
Avian Influenza
Avian Influenza (Bird Flu)
Back to top
B
Babesiosis
(Babesia Infection)
About Babesiosis
Balantidiasis
(Balantidium Infection)
About
Balantidium coli
infection
Balamuthia
About
Balamuthia
Infections
Baylisascariasis
(Baylisascaris Infection) (Raccoon Roundworm)
About Raccoon Roundworm
Bed Bugs
About Bed Bugs
Birth Defects
Birth Defects
Blastocystis hominis Infection
About Blastocystis
Body Lice Infestation
(Pediculosis)
About Body Lice
Back to top
C
Cancer
Cancer
Capillariasis
(Capillaria Infection)
About Capillariasis
Cardiovascular Disease
(Heart Disease)
About Heart Disease
Cat tapeworm
(dog tapeworm, Dipylidium caninum Infection)
About Dog or Cat Tapeworm Infection
Cercarial Dermatitis
(Swimmer's Itch)
About Swimmer's Itch
Chagas disease
(American Trypanosomiasis)
Chagas Disease
Chikungunya Virus
About Chikungunya
Cholera
About Cholera
Chronic Obstructive Pulmonary Disease
(COPD)
About COPD
Clonorchiasis
(Clonorchis Infection)
About Clonorchis
"Crabs"
(Pubic Lice)
About Pubic "Crab" Lice
Cryptosporidiosis
About Crypto Infections
Cutaneous Larva Migrans
(Zoonotic Hookworms)
About Zoonotic Hookworm
Cyclosporiasis
(Cyclospora Infection)
Cyclosporiasis
Cysticercosis
(
Neurocysticercosis)
About Cysticercosis
Cystic Echinococcosis
(Hydatid Disease)
About Cystic echinococcosis (CE)
Cystoisospora Infection
(Isospora Infection)
About Cystoisosporiasis
Back to top
D
Dengue
Dengue
Diabetes
Diabetes
Dientamoeba fragilis Infection
About Dientamoeba fragilis
Diphyllobothriasis
(Diphyllobothrium Infection)
About Diphyllobothrium
Dipylidium caninum Infection
(
dog tapeworm, cat tapeworm)
About Dog or Cat Tapeworm Infection
Dirofilariasis
(Dirofilaria Infection)
About Dirofilariasis
Dracunculiasis
(
Guinea Worm Disease)
About Guinea Worm
Dog tapeworm
(Dipylidium caninum Infection, cat tapeworm)
About Dog or Cat Tapeworm Infection
Back to top
E
Ebola
(Ebola Virus Disease)
Ebola Disease Basics
Echinococcosis
(Alveolar, Cystic Echinococcosis)
About Echinococcosis
Elephantiasis
(Filariasis, Lymphatic Filariasis)
About Lymphatic Filariasis
Entamoeba histolytica Infection
(Amebiasis)
About Amebiasis
Enterobiasis
(Pinworm Infection)
About Pinworm Infection
Back to top
F
Fasciola Infection
About Fasciola
Fasciolopsiasis
(Fasciolopsis Infection)
About Fasciolopsis
Filariasis
(Lymphatic Filariasis, Elephantiasis)
About Lymphatic Filariasis
Flu
(Influenza)
About CDC's Global Influenza Program
Foodborne Diseases
Food Safety
Back to top
G
Giardiasis
(Giardia Infection)
About
Giardia
infections
Gnathostomiasis
(Gnathostoma Infection)
About Gnathostomiasis
Group B Strep
Group B Strep Disease
Guinea Worm Disease
(Dracunculiasis)
About Guinea Worm
Back to top
H
Head Lice Infestation
(Pediculosis)
About Head Lice
Heart Disease
(Cardiovascular Disease)
About Heart Disease
Hepatitis
Viral Hepatitis
Heterophyiasis
(Heterophyes Infection)
Heterophyiasis
High Blood Pressure
(Hypertension)
About High Blood Pressure
HIV/AIDS
Global HIV and TB
Hookworm
(Ancylostomiasis)
About Hookworm
Hookworm Infection, Zoonotic
(Ancylostomiasis, Cutaneous Larva Migrans)
About Zoonotic Hookworm
Hydatid Disease
(Cystic Echinococcosis)
About Cystic echinococcosis (CE)
Hymenolepiasis
(Hymenolepis Infection)
About Hymenolepiasis (Dwarf Tapeworm)
Hypertension
(High Blood Pressure)
About High Blood Pressure
Back to top
I
Influenza
(Flu)
About CDC's Global Influenza Program
Intestinal Roundworms
(Ascariasis)
About Ascariasis
Isospora Infection
(Cystoisospora Infection)
About Cystoisosporiasis
Back to top
J
Japanese Encephalitis
About Japanese Encephalitis
Back to top
K
Kala-azar
(Leishmaniasis)
About Leishmaniasis
Keratitis
(Acanthamoeba Infection)
What Causes Contact Lens-related Eye Infections
Back to top
L
Lassa fever
About Lassa Fever | Lassa Fever | CDC
Legionella (Legionnaires' Disease)
About Legionnaires' Disease
Leishmaniasis (Kala-azar)
About Leishmaniasis
Leprosy
(Hansen's Disease)
About Hansen's Disease (Leprosy)
Lyme Disease
Lyme Disease
Lymphatic filariasis
(Filariasis, Elephantiasis)
About Lymphatic Filariasis
Back to top
M
Malaria
Malaria
Marburg Virus Disease
Marburg Virus Disease
Measles
About Global Measles
Meningitis
Meningitis
Methicillin-resistant Staphylococcus aureus
(MRSA)
Methicillin-resistant
Staphylococcus aureus
(MRSA) Basics
Middle East Respiratory Syndrome
(
MERS)
About Middle East Respiratory Syndrome (MERS)
Motor Vehicle Safety
Transportation Safety
Mumps
Mumps Vaccination
Mycetoma
Mycetoma Basics
Microsporidiosis
(
Microsporidia Infection)
Microsporidiosis
Mite Infestation
(Scabies)
About Scabies
Monkeypox
Monkeypox
Myiasis
About Myiasis
Back to top
N
Naegleria Fowleri
Infection
About
Naegleria fowleri
Infections
Natural Disasters
Natural Disasters and Severe Weather
Neurocysticercosis
(Cysticercosis)
About Cysticercosis
Neglected Tropical Diseases
Neglected Tropical Diseases
New World Screwworm (NWS)
About New World Screwworm Myiasis
Nipah Virus
About Nipah Virus
Back to top
O
Ocular Larva Migrans
(Toxocariasis)
About Toxocariasis
Onchocerciasis
(River Blindness)
About Onchocerciasis
Opisthorchiasis
(Opisthorchis Infection)
About Opisthorchis
Back to top
P
Paragonimiasis
(
Paragonimus Infection)
About Paragonimiasis
Pediculosis
(Body, Head Lice Infestation)
About Body Lice
Pertussis
Pertussis (Whooping Cough)
Pinworm Infection
(Enterobiasis)
About Pinworm Infection
Pneumonia
Pneumonia
Pseudoterranova Infection
(Anisakiasis)
About Anisakiasis
Polio
Global Polio Vaccination
Pubic Lice
("Crabs")
About Pubic "Crab" Lice
Back to top
Q
Q Fever
About Q fever
Back to top
R
Rabies
About Rabies
Raccoon Roundworm
(Baylisascariasis)
About Raccoon Roundworm
Rift Valley Fever (RVF)
About Rift Valley Fever (RVF)
River Blindness
(Onchocerciasis)
About Onchocerciasis
Road Safety
Transportation Safety
Rubella
Global Rubella Vaccination
Back to top
S
Salmonella
Salmonella
Infection (Salmonellosis)
Sappinia
Free Living Amebic Infections
Sarcocystosis
(Sarcocystosis Infection)
About Sarcocystosis
Scabies
(Mite Infestation)
About Scabies
Schistosomiasis
(Bilharzia, Snail Fever)
About Schistosomiasis
Sexually Transmitted Diseases
(STDs)
About Sexually Transmitted Infections (STIs)
Sickle Cell Disease
Sickle Cell Disease (SCD)
Smoking
Smoking and Tobacco Use
Snail Fever
(Schistosomiasis, Bilharzia)
About Schistosomiasis
Soil-transmitted Helminths
About Soil-transmitted helminths
Stroke
About Heart Failure
Strongyloidiasis
(Strongyloides Infection)
About Strongyloides
Swimmer's Itch
(Cercarial Dermatitis)
About Swimmer's Itch
Back to top
T
Tapeworm Infection
(Taeniasis)
About Human Tapeworm
Taeniasis
(Tapeworm)
About Human Tapeworm
Tobacco
Smoking and Tobacco Use
Toxocariasis
(Ocular Larva Migrans)
About Toxocariasis
Toxoplasmosis
About Toxoplasmosis
Trachoma
Global NTD Programs
Trichinellosis
(Trichinosis)
About Trichinellosis
Trichuriasis
(Whipworm)
About Whipworms
Typhoid Fever
About Typhoid Fever and Paratyphoid Fever
Tuberculosis
Global HIV and TB
Back to top
V
Violence Prevention
Violence Prevention
Visceral Larva Migrans
(Toxocariasis)
About Toxocariasis
Back to top
W
Water, Sanitation and Hygiene (WASH)
Global Water, Sanitation and Hygiene
West Nile Virus
West Nile Virus
Whipworm
(Trichuriasis)
About Whipworms
Whooping Cough
About Whooping Cough
Back to top
Y
Yellow Fever
About Yellow Fever
Back to top
Z
Zika Virus
Zika Virus
Zoonotic Diseases
About Zoonotic Diseases
Back to top
Feb. 23, 2026
Sources
Share
Syndicate
Content Source:
Global Health Center
Global Health
CDC's Global Health Center works 24/7 to reduce illness and respond to health threats worldwide.
View All
About the Global Health Center
A-Z Index
Leadership
Divisions and Offices
Communication Materials
Reports and Publications
Annual Report 2024
Success Stories
Careers
Our Global Presence
Regional Offices
Global Health Observances
Our Newsletter
View All
Sign up for Email Updates