Medecine knowlegde and related technologies continue to advance at an unprecedented rate. In spite of this, plagues of infectious diseases ar still ravaging the world. The killer diseases below are undefeated.
Some 60 million people have been infected with HIV, and about 29 million have died of AIDS. During 2005 there were five million new infections and more that three million AIDS-related deaths. The victims included more than 500,000 children. The vast majority of IV victims have no access to adequate treatment.
With about four million cases every year, diarrhea is described as a major killer among the poor . It is caused by various infectious deseases that can spread by contaminated water or food or a lack of good personal hygiene. These infections result in yealy death toll of more than two million people.
Annually, some 300 million people get ill from malaria. About one million victims die every year, many of them children. In Africa one child dies of malaria every 30 seconds. According to the world health Organisation (WHO), “science still has no magic bullet for malaria and many doubt that a single solution will ever exist.”
During 2003, measles ed more than 500,000 people. A leading cause of death among children, measles is a highly contagious disease. Every year some 30 million people contract measles. ironically, an effective an inexpensive vaccine against measles has been available for the past 40 years.
More children die of pneumonia than of any other infectious disease, claim WHO. About two million children under the age of five of pneumonia every year. Most of these deaths take place in Africa and Southeast Asia. In many parts of the world, limited access to healthfacilities prevents victims from getting lifesamedical treatment.
During 2003, tuberculosis (TB) caused the death of over 1,700,000 people. Of great concern to health officials is the emergenceof drug-resistant TB germs. Some strains have developed resistance to all major anti-TB medications. Drug-resistant TB strains develop in patient who undergo poy supervised or incompleted medical treatment.