WHO warns more TB cases slipping through detection
By, The China Post, March 19, 2008
The World Health Organization warned Monday that more new tuberculosis cases are slipping through the detection net, as countries fail to keep up with rapid progress made in earlier years.
"After some years of good trends for tuberculosis control, 2006 documents a slowing of progress -- the rate at which new cases were detected increased only slightly compared to recent years," WHO director-general Margaret Chan told journalists.
"This slowdown in progress comes at a time when numbers are still way too high," she added.
The WHO estimates that only 61 percent of all TB cases worldwide are registered.
In 2006, some 9.2 million new cases of TB were detected against 9.1 million in 2005, said the WHO in its annual report on TB control.
The WHO estimates that, including non-detected cases, there were 14.4 million cases of the disease worldwide in 2006.
Between 2001 and 2005, detection rates were increasing by six percent a year, but in 2006, this rate was halved to three percent.
"This is not a good sign because our target is to detect all cases that exist. There is 39 percent that we are unable to find, but which we think is there," said Mario Raviglione, who is director of the WHO's Stop TB department.
The slowdown was attributed to the fact that some national programs that were making steady progress during the last five years have not been able to continue at the same pace in 2006, said the WHO.
In addition, in many African countries, there has not been any increase in the detection of TB cases through national programs.
Others are slipping out of the detection net as they are treated by private care providers, and by NGOs or community groups, added the WHO.
"We've entered a new era. To make progress, firstly public programs must be further strengthened. Secondly we need to fully tap the potential of other service providers," said Chan.
In 2006, 200,000 TB deaths were recorded among people who were infected with HIV, while an estimated 1.5 million people without HIV also succumbed to tuberculosis.
Nearly a half million new cases of multi-drug resistant tuberculosis occur each year worldwide, or around five percent of the nine million new cases in total, the WHO said then.
Source: http://www.chinapost.com.tw/health/infectious%20diseases/2008/03/19/147825/WHO-warns.htm
The World Health Organization warned Monday that more new tuberculosis cases are slipping through the detection net, as countries fail to keep up with rapid progress made in earlier years.
"After some years of good trends for tuberculosis control, 2006 documents a slowing of progress -- the rate at which new cases were detected increased only slightly compared to recent years," WHO director-general Margaret Chan told journalists.
"This slowdown in progress comes at a time when numbers are still way too high," she added.
The WHO estimates that only 61 percent of all TB cases worldwide are registered.
In 2006, some 9.2 million new cases of TB were detected against 9.1 million in 2005, said the WHO in its annual report on TB control.
The WHO estimates that, including non-detected cases, there were 14.4 million cases of the disease worldwide in 2006.
Between 2001 and 2005, detection rates were increasing by six percent a year, but in 2006, this rate was halved to three percent.
"This is not a good sign because our target is to detect all cases that exist. There is 39 percent that we are unable to find, but which we think is there," said Mario Raviglione, who is director of the WHO's Stop TB department.
The slowdown was attributed to the fact that some national programs that were making steady progress during the last five years have not been able to continue at the same pace in 2006, said the WHO.
In addition, in many African countries, there has not been any increase in the detection of TB cases through national programs.
Others are slipping out of the detection net as they are treated by private care providers, and by NGOs or community groups, added the WHO.
"We've entered a new era. To make progress, firstly public programs must be further strengthened. Secondly we need to fully tap the potential of other service providers," said Chan.
In 2006, 200,000 TB deaths were recorded among people who were infected with HIV, while an estimated 1.5 million people without HIV also succumbed to tuberculosis.
Nearly a half million new cases of multi-drug resistant tuberculosis occur each year worldwide, or around five percent of the nine million new cases in total, the WHO said then.
Source: http://www.chinapost.com.tw/health/infectious%20diseases/2008/03/19/147825/WHO-warns.htm
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