Bacterial & Viral Infections

• Campylobacter Infections

  These bacterial infections can cause diarrhea, cramping, belly pain, and fever. Good hand-washing and food safety habits can help prevent them.

• Can Kids Get a COVID-19 Vaccine, Flu Vaccine, and RSV Shot at the Same Time?

  It’s safe for kids to get a COVID-19 vaccine along with any other routine vaccine, including the flu vaccine and RSV shot.

• Cat Scratch Disease

  Cat scratch disease is an infection that causes swelling of the lymph nodes after a cat scratch or bite. Learn about signs and symptoms, prevention, treatment, and more.

• Cellulitis

  Cellulitis is an infection of the skin and underlying tissues that can affect any area of the body. It begins in an area of broken skin, like a cut or scratch.

• Chickenpox (Varicella)

  Learn all about the chickenpox infection, including the rash and other symptoms, causes, vaccine, treatment, and care.

• Chickenpox: Treatment & Care

  Help your child recover from chickenpox by learning at-home care tips and knowing when to call the doctor.

• Chikungunya

  Chikungunya is an infection that spreads through the bite of an infected mosquito. Learn who’s at risk, symptoms, treatment, and prevention.

• Chlamydia

  Chlamydia is an STD caused by bacteria. It’s important to know the symptoms, as treatment can prevent the infection from leading to other health problems.

• Cold Sores

  Cold sores are small painful blisters that can appear on or near the lips or nose. Learn symptoms, causes, and treatments, and how to help prevent cold sores.

• Colds

  Colds are the most common infectious disease in the United States – and the top reason kids visit the doctor and miss school.