Diseases and Conditions

Find information about common and serious diseases, how they are transmitted, symptoms to watch for, and steps you can take to protect your health and the health of others.

Respiratory and Airborne Diseases

Illnesses that spread through the air or respiratory droplets when people cough, sneeze, or breathe closely together.

COVID-19

A contagious respiratory illness caused by a coronavirus that can range from mild to severe.

Influenza (Flu)

A common viral infection that affects the nose, throat, and lungs, especially during flu season.

Measles (Rubeola)

A highly contagious viral disease that causes fever and a widespread rash.

Mumps

A viral infection that can cause swollen salivary glands, fever, and muscle aches.

Pertussis (Whooping Cough)

A serious respiratory infection known for severe coughing fits, especially dangerous for infants.

Tuberculosis

A bacterial infection that usually affects the lungs and can spread through prolonged close contact.

Respiratory Syncytial Virus (RSV)

A common respiratory virus that can be severe in infants, older adults, and those with weakened immune systems.

Sexually Transmitted and Blood-Borne Infections

Infections spread through sexual contact or exposure to infected blood and body fluids.

Chlamydia

A common sexually transmitted infection that often has no symptoms but can cause complications if untreated.

Gonorrhea

A sexually transmitted bacterial infection that can affect the genitals, throat, or rectum.

Syphilis

A sexually transmitted infection that progresses in stages and can cause serious health problems if not treated.

HIV and AIDS

A virus that weakens the immune system and, without treatment, can lead to acquired immunodeficiency syndrome (AIDS).

Hepatitis C

A blood-borne virus that affects the liver and can lead to long-term liver disease.

Human Papillomavirus (HPV)

A common virus spread through sexual contact that can cause genital warts and certain cancers.

Vector-Borne and Zoonotic Diseases

Diseases spread to humans through insects, animals, or contact with infected environments.

Mosquitoes and Mosquito Borne Diseases

Illnesses transmitted through mosquito bites, including viruses that can cause serious health effects.

Tick Borne Diseases

Infections spread by tick bites that can cause flu-like symptoms and long-term complications.

Ebola

A rare but severe viral disease that spreads through direct contact with infected bodily fluids.

Monkeypox

A viral illness that can cause fever, rash, and lesions, spread through close contact.

Zika Virus

A mosquito-borne illness that is usually mild but can cause serious birth defects if infection occurs during pregnancy.

Neurological, Developmental and Skin Conditions

A group of conditions affecting the skin, nervous system, or multiple body systems.

Meningitis

An infection that causes inflammation of the membranes surrounding the brain and spinal cord.

Scabies

A skin infestation caused by mites that leads to intense itching and rash.

Skin Infections

Infections caused by bacteria, viruses, or fungi that affect the skin and underlying tissue.

Fetal Alcohol Spectrum Disorder (FASD)

A lifelong condition caused by prenatal alcohol exposure that affects brain development and behavior.

Chronic and Long-Term Conditions

Conditions that tend to be ongoing and require long-term management or care.

Chronic Diseases

Long lasting health conditions that often need continuous treatment or lifestyle management.

Diabetes

A condition where the body cannot properly regulate blood sugar levels.

Cancer (Let’s Talk About Cancer)

A group of diseases involving abnormal cell growth that may require screening, treatment, and long-term care.
Updated: Feb 04, 2026