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.
Vaccines. Unlike most vaccines given to prevent disease, the rabies vaccine is given after exposure except in cases where humans are in high-risk situations, such as veterinarians, forest rangers, animal handlers, or others who spend time in countries where rabies is prevalent.