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.
Pneumococcal vaccine had been introduced in 117 countries by the end of 2014, and global coverage was estimated at 31%. Polio is a highly infectious viral disease that can cause irreversible paralysis. In 2014, 86% of infants around the world received 3 doses of polio vaccine.Targeted for global eradication, polio has been stopped in all countries save 3âAfghanistan, Nigeria and Pakistan. Immunization prevents illness, disability and death from vaccine-preventable diseases including cervical cancer, diphtheria, hepatitis B, measles, mumps, pertussis (whooping cough), pneumonia, polio, rotavirus diarrhoea, rubella and tetanus. 2  Global vaccination coverage is generally holding steady.