Hepatitis B and C will eventually kill you. Travelers who should consider a hepatitis B vaccination include those visiting countries where there are known to be many carriers, where blood transfusions may not be adequately screened or where sexual contact is a possibility. It involves three injections, the quickest course being over three weeks with a booster at 12 months. It is spread by inhaling droplets of sputum that some one may cough or sneeze up. Even healthy people carry this disease.
Vaccinations are available for some forms of meningitis.
There are many carriers and vaccination is recommended for travelers to certain parts of Asia, India, Africa and South America. A single injection will give good protection for three years. The vaccine is not recommended for children under two years because they do not develop satisfactory immunity from it. Polio - an infection of the central nervous system that results in paralysis. It is untreatable but a vaccine is available Polio is a serious, easily transmitted disease, still prevalent in many developing countries.