Two-thirds of children have already received antibiotics by the time they are one year old.
If you have a ten-month-old baby, what do you need to know? What do you need to ask your GP about the benefits and risks of antibiotics?
The thing all five viruses have in common is they can cause mild to very severe liver damage.
Hepatitis A, B, C, D and E are very different viruses. Hepatitis A is genetically closer to the common cold than it is to hepatitis B. Hepatitis C is closer to the virus that causes dengue fever.
Children in particular experience a multitude of viral illnesses during their early years.
Viruses cause all kinds of infections from relatively mild cases of the flu to deadly outbreaks of Ebola. Clearly, not all viruses are equal and one of these differences is when you can infect others.