Oral herpes. The most common symptom of oral herpes, caused by the herpes simplex virus, is cold sores. Oral herpes can also cause fever and muscle aches. Mouth sores most commonly occur in children aged 1-2 years, but they can affect people at any age and any time of the year.ral herpes causes. Herpes simplex is a DNA virus that causes sores in and around your mouth. Two herpes subtypes may cause these sores. 1  Herpes simplex virus type 1, or herpes-1, which causes around 80% of cases of oral herpes infections. 2  Herpes simplex virus type 2, or herpes-2, which causes the rest.
The main symptoms of viral gastroenteritis are watery diarrhea and vomiting. Other symptoms of gastroenteritis include headache, fever, chills, and abdominal pain. The symptoms may appear within hours or a few days of infection. They usually last for 1 to 2 days, but may last as long as 10 days.
A: The average expected life of an air conditioner is approximately 15 years. The average expected life of a heat pump is approximately 10 to 12 years, since it operates year round. The average expected life of a gas furnace or air handler may be longer.