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New type ofTB among AIDS victims raises concern in US
WASHINGTON. Feb 27 : US health experts say that recent outbreaks of potentially deadly strains of tuberculosis (TH) are raising concern and that steps must be taken to combat the disease before ft gets out of control, reports USIS.
Dr. Anthony Fauci. Director of the National Institute of Alergy and Infectious Diseases, told a House Sub-committee February 24 that a new and dangerous type of tuberculosis is being spread among the victims of AIDS (Acquired Immune Deficiency Syndrome) as well as others in contact with AIDS patients. "Most disturbing is the emergency of TB strains that do not respond to the standard antibiotics used to treat the disorder. Fauci said. "Outbreaks of strains resistant to several different drugs have been occurring throughout the country.
Totally new and different forms of TB have evolved tn AIDS patients. And these TB strains are causing a new epidemic in the general population. warned Max Essex Chairman of the Harvard AIDS ^institute.
Essex and other health officials said that many people who are not infected with the virus that causes AIDS, including family members. Hospital
workers and patents, guards and prisoners, and the staff and clients of drug abuse treatment programmes are now at substantial risk of infection with tuberculosis.
The American Lung Asso elation said recently that 25.701 cases of TB were reported in the United States In 1990. an' Increase of more than 9 per cent from the previous year and the largest rise tn new cases .ever recorded.
While tuberculosis was the single most prevalent cause of death in the United States at the beginning of the 20th century, antibiotic therapies were used to gradually reduce the number of cases. But this downward trend began to be reversed In the mid-1980s as TB spread among AIDS patients with weakened immune systems. The number of cases began to Increase tn 1985.
Fauci said that since one-third of the. world's population is infected with a latent form of tuberculosis, the continuing spread of AIDS could lead to a global TB epidemic.
"Many of those infected with TB arc In developing countries that have a high Incidence of Infection with the AIDS virus". He said, "put those together. AIDS-infected individuals with latent TB that could potentially be drug resistant. and you have a real potential global-type catastrophe on your hands."
Fauci called for research efforts to Improve existing diagnostic tests for TB. to develop an effective vaccine for TB to protect those at risk, and to" find more effective treatments for those already infected.
Fauci recommended an additional 40 million dollar be spent tb accelerate tuberculosis research over the next two years. The Bush administration already has requested mil
Hon dollar* in fiscal year 1993 for measures to contain and control outbreaks of tubercu-tosi* related to AIDS.
Fauci also reported that the administration's proposed budget for fiscal 1993 recommends 873 million dollar In total AIDS research spending St the National Institutes of ealth (NIH). well below the nearly 1.200 million dollar level sought by the agency. He said under questioning that the proposed spending would mean a reduction In some NIH research programmes that could result in slower work toward a potential AIDS cure.