Typhoid fever, also known simply as typhoid, is a symptomatic bacterial infection due to Salmonella typhi.Symptoms may vary from mild to severe and usually begin six to thirty days after exposure. Often there is a gradual onset of a high fever over several days.Weakness, abdominal pain, constipation, and headaches also commonly occur. Diarrhea and vomiting are uncommon.Some people develop a skin rash with rose colored spots.
There is less incidence of Typhoid fever in Switzerland. In the year 1998 prevalance rate of Typhoid fever was 0.5% in Switzerland. Recent Epidemiological studies shown that Switzerland has very less Incidence of Enteric fever in Switzerland. A typhoid vaccine can prevent about 50% to 70% of cases. The vaccine may be effective for up to seven years. It is recommended for those at high risk or people traveling to areas where the disease is common.