Re: other questions for ECH.
OK I will give it a shot with the help from the CDC. You are absolutely right...this is not my field of expertise. This is in the field of Infectious Disease Specialty. If you want more information I have provided you with the link and there is a host of information there, complete with journal articles.
Nearly everyone with AIDS has antibodies to HIV.
A survey of 230,179 AIDS patients in the United States revealed only 299 HIV-seronegative individuals. An evaluation of 172 of these 299 patients found 131 actually to be seropositive; an additional 34 died before their serostatus could be confirmed (Smith et al. N Engl J Med 1993;328:373).
HIV can be detected in virtually everyone with AIDS.
Recently developed sensitive testing methods, including the polymerase chain reaction (PCR) and improved culture techniques, have enabled researchers to find HIV in patients with AIDS with few exceptions. HIV has been repeatedly isolated from the blood, semen and vaginal secretions of patients with AIDS, findings consistent with the epidemiologic data demonstrating AIDS transmission via sexual activity and contact with infected blood (Bartlett, 1999; Hammer et al. J Clin Microbiol 1993;31:2557; Jackson et al. J Clin Microbiol 1990;28:16).
Progress in testing methodology has also enabled detection of viral genetic material, antigens and the virus itself in body fluids and cells. While not widely used for routine testing due to high cost and requirements in laboratory equipment, these direct testing techniques have confirmed the validity of the antibody tests
Most AIDS symptoms result from the development of opportunistic infections and cancers associated with severe immunosuppression secondary to HIV.
However, immunosuppression has many other potential causes. Individuals who take glucocorticoids and/or immunosuppressive drugs to prevent transplant rejection or for autoimmune diseases can have increased susceptibility to unusual infections, as do individuals with certain genetic conditions, severe malnutrition and certain kinds of cancers. There is no evidence suggesting that the numbers of such cases have risen, while abundant epidemiologic evidence shows a staggering rise in cases of immunosuppression among individuals who share one characteristic: HIV infection
You will find in the section on prevalence studies that in STD clinics (Sexually Transmitted Disease) the percentage of seropositive individuals were 2.7% for males and 1.6% for females. But the most interesting statistics of the prevalence studies revealed that of Job Corps applicants: among whites <0.1% were sero positive for BOTH male and female. But among blacks: males were 0.2% positive and females 0.55% positive almost a ration of 3:1 females over males.
AIDS is an equal opportunity disease. It does not discriminate against men or women or children, nor heterosexuals or homosexuals. The virus is not smart enought to know who is who! There are just as many mortalities among women as among men.
And the statement that "active" homosexuals are less prone to get AIDS than "passive" homosexuals is another MYTH. That is analagous to saying the male is less likely to get a STD being the "active" partner and the female is more likely because she has a "passive role".
There are many MYTHS abounding about the disease and the only problem with myths is that the misinformation can kill people. This is discussed at length by the CDC.
I think this is sufficient to answer some of the questions and if your interest is piqued....then check out the CDC link and discover for yourself some many interesting facts and figures and new discoveries.
United States: The CDC estimates that at the end of 1998 between 800,000 and 900,000 people were living with HIV and AIDS. Through June 2000, a total of 753,907 cases of AIDS had been reported to the CDC.
Worldwide: Based on estimates from the United Nations AIDS program (UNAIDS), approximately 47 million people have been infected with HIV since the start of the global epidemic. Through December 2000, an estimated 21.8 million children and adults have died, and an estimated 36.1 million people are living with HIV infection or AIDS.
UNAIDS estimates 5.3 million new HIV infections occurred in 2000. This represents almost 16,000 new cases per day. An estimated 3.0 million adults and children died of HIV/AIDS in 2000.
THESE ARE SOME SOBERING STATISTICS. ESPECIALLY THE 16,000 NEW CASES PER DAY!!!!!!!!!!!!!!