There are many conditions that are infections, from the common cold, or cold sores to more complex, life-threatening conditions like hepatitis B, HIV and meningitis. This section has information on all of them. If you want to know “What are the symptoms of meningitis?” or “How do you look after a child with a high temperature?” you will find helpful information here in our doctor-authored laflets. We will answer questions about usual investigations for these conditions such as “How do you diagnose food poisoning?” and also treatments, like “Which vaccines are given to children in the UK?”.