Meningococcal disease is a serious infection that can develop very quickly – find out about the symptoms and when to get medical attention.

Fifth disease or 'slapped cheek disease' is a mild viral illness marked by a red rash that makes children's cheeks look like they've been slapped.

Here's what you should know about COVID-19 and children, including symptoms, how to treat COVID-19, getting vaccinated and preventing infection.

Find out about the symptoms of whooping cough, how to prevent it spreading, when your child should see a doctor and when they can get vaccinated.

Congenital heart differences or defects (CHD) are a group of different heart problems that are present at birth. Learn more about the types of CHD.

Cystic fibrosis (CF) is a genetic disease that affects many body organs, including lungs and digestive system. Learn about CF symptoms and treatments.

Congenital disorders are health conditions that are present from birth. They are also called birth differences, congenital anomalies or birth defects.

If you are pregnant, sexually transmitted infections (STIs) can cause serious problems for you and your baby. See how STIs are diagnosed and treated.

Find out more about the symptoms of rubella, when your child should see a doctor, how to care for a sick child at home, and how the disease spreads.

Chickenpox in adults is a serious disease, especially in pregnant women. Find out how to protect yourself and what to do if you have chickenpox.