Diseases beginning with H
Select a disease to open its complete U.S.-focused guide.
Hepatitis A
A contagious liver infection caused by hepatitis A virus, usually spread through contaminated food, water, hands, or close contact.
View full disease and vaccine guide →Hepatitis B
A liver infection caused by hepatitis B virus and spread through blood and certain body fluids.
View full disease and vaccine guide →Hib Disease
Illness caused by Haemophilus influenzae type b bacteria, including meningitis, pneumonia, and bloodstream infection.
View full disease and vaccine guide →Human Papillomavirus (HPV)
A very common group of viruses; persistent high-risk HPV can cause several cancers.
View full disease and vaccine guide →