1 Vitamin D Deficiency âLow Vitamin D has been associated with several types of cancer as well as certain autoimmune diseases such as systemic lupus. 2  HIV/AIDS âNearly half of the people who get HIV/AIDS are African American, suffering more deaths than any other race.
The most common vaccine-preventable diseases among travellers are influenza and hepatitis A. Other vaccines to consider for travel include rabies, hepatitis B, typhoid, cholera, yellow fever, Japanese encephalitis and measles. Many vaccines can be given by flexible accelerated schedules to ensure early protection.
1 Before vaccines, many children died from diseases that vaccines now prevent, such as whooping cough, measles, and polio. 2  Those same germs exist today, but because babies are protected by vaccines, we donât see these diseases nearly as often.his protection is called immunity. It would be nice if there were a way to give children immunity to a disease without their having to get sick first. In fact there is: Vaccines contain the same antigens (or parts of antigens) that cause diseases. For example, measles vaccine contains measles virus.