1 An example of decisive is a person who always makes up her mind firmly and quickly. 2  An example of decisive is the information gained from a student's success in the classes which they take to determine their interest in their major field of study.
The Global HIV/AIDS Epidemic. HIV, the virus that causes AIDS, is one of the worldâs most serious health and development challenges: 1  According to the World Health Organization (WHO) , 2  According to WHO, 3  A UNAIDS report shows that 19 million of the 35 million people living with HIV today do not know that they have the virus.
The human immunodeficiency virus (HIV) infects cells of the immune system, destroying or impairing their function. Infection with the virus results in progressive deterioration of the immune system, leading to immune deficiency..The immune system is considered deficient when it can no longer fulfil its role of fighting infection and disease.eft without treatment, the majority of people infected with HIV will develop signs of HIV-related illness within 5â10 years, although this can be shorter. The time between acquiring HIV and an AIDS diagnosis is usually between 10â15 years, but sometimes longer.