HIV is a virus that can be spread between people. There is good treatment available if you get HIV. You will not spread the virus to others if you get treatment. You will not get AIDS either. Seek medical care and get tested if you think you have HIV.
Measles is a disease caused by a virus. Some people become seriously ill. The disease is rare in Sweden because the measles vaccine is included in the vaccination programme for children.
Gastroenteritis is very common and usually passes quickly. You may feel nauseated, vomit and have diarrhoea. If you have gastroenteritis, it is important that you drink more than usual.
RSV (respiratory syncytial virus) infections are very common. Most children get cold-like symptoms. Some children get very sick and need to be treated in hospital. All newborns can be given medicine that protects against the virus.
Having a fever means that your body temperature is higher than usual. It is the body’s way of defending itself against infection. Children often get a fever.
Does it feel itchy on your scalp, which is the skin close to your hair? It could be due to lice. Lice are only spread through direct hair-to-hair contact. If you have lice, you should treat it as soon as possible. You do this yourself at home.
If you are very itchy all over your body, you might have scabies. Scabies mites are small parasites that live in the skin. Scabies is spread through direct skin-to-skin contact. Contact your healthcare centre if you think you have scabies.
Ticks are small insects that bite into the skin and suck blood. Remove any ticks that you find on your skin. Ticks can sometimes spread diseases. If you are bitten, you may need to seek medical care.