Tuberculosis in China
These measures contributed to acceleration in efforts to control tuberculosis. By 2005, the detection of cases of tuberculosis had increased to 80% of the estimated total new cases, permitting China to achieve the 2005 global tuberculosis control targets. At the same time, specific efforts to improve tuberculosis control also contributed to strengthening of the public health system. In this case, the strengthening of the disease control program and the public health system had worked together to achieve a desired health outcome.
On February 23, 2007, the Chinese government undertook a review of the tuberculosis situation in China, which looked at the progress in tuberculosis control before the SARS epidemic, outlined the measures taken to improve the public health system after that epidemic, described how those measures contributed to the acceleration of tuberculosis control efforts, and discuss the challenges that China must address to halve the number of tuberculosis cases and deaths as part of the Millennium Development Goals (MDGs).
Epidemiology
In China, tuberculosis has been the number 1 cause of
Tuberculosis is one of China's major public health problems. According to the 2015
In 2003, an
Year | Proportion (%) of new smear-positive TB cases successfully treated | Estimated proportion (%) of all new smear-positive TB cases detected | Proportion (%) of counties implementing the WHO-recommended DOTS strategy |
---|---|---|---|
1991 | 69 | 4 | 5 |
1992 | 75 | 7 | 7 |
1993 | 79 | 10 | 19 |
1994 | 88 | 14 | 48 |
1995 | 92 | 21 | 58 |
1996 | 94 | 25 | 60 |
1997 | 94 | 26 | 61 |
1998 | 93 | 27 | 62 |
1999 | 92 | 28 | 63 |
2000 | 92 | 30 | 63 |
2001 | 91 | 29 | 65 |
2002 | 91 | 26 | 64 |
2003 | 92 | 44 | 77 |
2004 | 90 | 63 | 89 |
2005 | 90 | 80 | 100 |
Focusing on vulnerable groups
One group of special concern are
Going home for rural healthcare in China is not ideal either. Over the past 30 years, that part of the health system has run down because government funding has fallen while everything else has become more expensive. Health facilities attempted to make up shortfalls by charging ever larger fees for diagnosis and treatment, especially for a difficult disease like tuberculosis. In China today, patients' payments keep the health services running and the medical staff have been encouraged to supply profitable health goods and services, especially drugs. Their own jobs depend on adequate operational funds, which are largely generated through user fees. Meanwhile, over the same 30 years, the
Control and prevention
Tuberculosis control before SARS
Tuberculosis control has been a part of China's
The first, funded in part by the
The project funded by the World Bank led to several important achievements. Nearly 1.5 million cases of smear-positive tuberculosis were diagnosed and cured.[15] A large cadre of healthcare workers was trained in the fundamental elements of DOTS, firmly establishing these methods as the national strategy for tuberculosis control. Most importantly, on the basis of results from the 2000 national tuberculosis survey, there was a 36% reduction in disease prevalence between 1990 and 2000 in the half of China that implemented the projects.[16]
Despite these achievements, there were signs of difficulties elsewhere in the country's tuberculosis control program. In the half of China that did not implement the project funded by the World Bank, the prevalence of tuberculosis did not fall during the 1990s.
The inadequate control of tuberculosis can be linked to a malfunctioning health system. From 1978 to 2002, the government's share of total
For those patients with tuberculosis who eventually ended up in the public health system, the problems did not end there. Governmental funding for public health had also declined over the years. In 2002, only about 41% of funding for the country's Centers for Disease Control and Prevention (CDC) institutions came from the government.[19] To make ends meet, local CDCs concentrated on the generation of revenue. There was little incentive to undertake tuberculosis control activities, which are labor-intensive and create little income. Even in areas where government subsidies support free diagnosis and treatment of tuberculosis, many CDCs continue to charge patients for ancillary tests and drugs, some of which are of questionable benefit.
Against this backdrop, the central government began efforts to revitalise its tuberculosis control program in 2000. Most important was the increased political commitment to tackle tuberculosis. In March 2000, the Minister of Health
The government also organised a partnership with international agencies to support the country's efforts to control tuberculosis. Early in 2002, the government signed a seven-year, $104 million loan with the World Bank, which included blended grant funding from the UK's
Efforts to control tuberculosis after SARS
Early in 2003, the
The first of the key measures that have been implemented in the three years since the SARS crisis ended was greatly increased commitment and leadership from the government to tackle public health problems. During the SARS epidemic, governmental and communist party leaders at all levels—from Paramount leader
The increased political commitment to public health has benefited tuberculosis control. In March 2004, Vice-Minister of Health Wang Longde attended the second Stop TB Partners' Forum in New Delhi, India,[23] and made a commitment on behalf of the government to achieve the 2005 global targets for tuberculosis control. In June 2004, the State Council held a video-teleconference with provincial Vice-Governors to discuss steps to accelerate efforts to control tuberculosis. The Ministry of Health identified 12 provinces with more than 85% of the "missing" cases needed to reach the 70% target for case detection in China and sent monitoring teams to these provinces to identify and solve existing problems. In December 2004, Vice-Minister Wang Longde and Shigeru Omi, WHO Regional Director of the Western Pacific, co-chaired a high-level tuberculosis meeting in China. Governmental leaders from the 12 provinces participated, including the Vice-Governors from eight provinces.
In addition to increased involvement and commitment, the central government has increased funding for public health from $835 million in 2002 to $1.44 billion in 2004. Over this period, the proportion of total CDC funding provided by the government increased from 40.7% to 47.1%, reversing a downward trend.[19] The central government increased funding for four priority communicable diseases in particular—HIV/AIDS, tuberculosis, schistosomiasis, and hepatitis B. Tuberculosis funding increased by more than seven times during this period (reaching $36 million in 2005) and contributed to 26% of the total funding available for the national tuberculosis control program in 2005. The additional funding has been used to expand health promotion activities, to provide financial incentives to village workers to find and treat tuberculosis, and to provide free treatment for people with smear-negative pulmonary tuberculosis for the first time.
Furthermore, the central government revised the law on the control of infectious diseases[24] in March 2004. The revision provides instructions to tackle infectious-disease outbreaks, improve the reporting of infectious diseases, implement interventions to control the spread of such diseases, provide clinical services, and fund the control of infectious diseases. This law directly benefited tuberculosis control by addressing the under-reporting of tuberculosis by health facilities. Tuberculosis now has to be reported to local public-health authorities within 24 hours. Because failure to report is now a crime, hospitals have begun to take the reporting of tuberculosis very seriously.
In January 2004, the Ministry of Health implemented the world's largest
With this new internet-based reporting system, individuals involved in tuberculosis control can rapidly identify cases of tuberculosis—both confirmed and suspected—in China's vast hospital system for the first time. This information is being used to trace patients with tuberculosis and ensure their proper diagnosis and treatment. In 2004, 447,777 suspected or confirmed cases of tuberculosis were reported from hospitals. This number increased to 686,742 in 2005 as more hospitals implemented this system; almost 64% of these patients were successfully followed up. On the basis of preliminary analysis by the China CDC, 25% of all cases of tuberculosis in 2005 were initially reported from hospitals via the internet.
The government has also started a massive program to rebuild local public-health facilities. SARS revealed that public-health facilities were largely outdated and inadequate to tackle existing public-health problems, not to mention addressing new or emerging challenges. The government is currently investing $1.3 billion to rebuild 2448 CDC facilities in 27 provinces. When completed, more than 80% of the country's CDC facilities will be new. The central government will provide 28% of the needed funding, with the rest coming from governments at various levels. However, China's poorer western provinces will receive preferential support, with 65% of the needed funding coming from the central government. Tuberculosis control programs will directly benefit from this approach, since more than 80% of China's tuberculosis
Although a strengthened public-health system has accelerated the national tuberculosis control effort, progress in tuberculosis control has also strengthened the public-health system. In terms of policy, the national tuberculosis control program has clear targets and well-defined technical policies based on the
Tuberculosis in China was most effectively prevented through spreading awareness. Information was widely spread throughout China, mainly throughout the form of government funded free pamphlets, handed out at children's sporting events.
2009-2014 program
A new five-year initiative program, announced on 1 April 2009, aims to use innovative technologies to improve the detection and treatment of tuberculosis (TB) in China. Cutting edge diagnostic tests, drug regimens that reduce the number of pills a patient needs to take, and innovative ways of ensuring patients take their drugs—such as mobile phone text messaging—are to be rolled out under a program led by the Chinese Ministry of Health. It will be implemented in five designated provinces and one municipality—covering 20 million people at risk of TB.
The proposed diagnostic tools will include the use of LED microscopes and DNA-based diagnosis. Using LEDs rather than standard phosphorescent lights in microscopes forms a clearer image and improves TB detection rates in patients' sputum from 50 to 65 per cent. And DNA testing, which can determine which strains of Mycobacterium tuberculosis are present in sputum[1] has 98 per cent accuracy and can be used to detect drug-resistant strains in as little as a day. DNA-based diagnosis is also cost-effective. As well as diagnosis, new management methods such as mobile phone text messaging and medicine kits with built-in reminder alarms will be used to enhance patients' drug compliance.[1] Drug combinations—where different drugs are combined in the same pill—will also be used to reduce the number of pills a patient has to take from around 13 to three or four a day.
After two-and-a-half years effective interventions will be scaled up. Some 20 cities covering 100 million people should be included by the end of the fifth year of the program, funded by a US$33 million grant from the Bill & Melinda Gates Foundation.
Reviewing of strategy
Although China achieved the 2005 global targets for tuberculosis control, these are only targets for implementation and monitoring in the national and international efforts to control tuberculosis. More important are the targets of halving the prevalence of, and mortality from, tuberculosis. Countries in the
To achieve these targets, China needs to address existing challenges to its efforts to control tuberculosis. Foremost is the serious epidemic of MDR tuberculosis. WHO estimates that a third of the world's cases of MDR tuberculosis are in China, even though the country has only 15% of the global burden of tuberculosis.[28] The recent expansion of DOTS should help to limit the development of MDR tuberculosis. But reduction of the existing burden of multidrug resistance will take time, especially since poor-quality DOTS services in some areas and inappropriate treatment of tuberculosis in parts of the hospital system continue to generate new cases of MDR tuberculosis.
The absence of a sound financing mechanism to fully fund tuberculosis services is a further problem. Although funding for tuberculosis services is at its highest level ever, the Ministry of Health estimates that the national tuberculosis control program still had a 23% funding gap in 2005. Additionally, more than a quarter of current funding comes from external grants and loans, making sustainable funding a major challenge.
Another challenge is to make tuberculosis services accessible to the entire population. Although China has a policy of free tuberculosis services, in most places these are available only to permanent residents in a particular community. Urban migrants, who have relocated from poor rural areas to seek a better livelihood, are not eligible for such free services. These vulnerable, predominantly young migrants—now numbering more than 150 million—tend to live and work in crowded environments and are unlikely to seek medical care when they become ill. Such individuals contribute to the spread of tuberculosis, HIV infection, and other infectious diseases within
A further difficulty is presented by the shortage of trained health-care workers for tuberculosis control. CDC facilities are being rebuilt across the country but many are staffed inadequately or by poorly trained and unmotivated health-care workers. Finally, and perhaps most importantly, is the challenge of sustaining and further increasing long-term governmental commitment to the control of tuberculosis, which is essential to tackle the other challenges.
China is developing tuberculosis-specific policies and interventions to address these challenges. The new five-year implementation plan of the national tuberculosis control program (2006–2010)[30] has incorporated key elements of the new Stop TB Strategy[31] and the second Global Plan to Stop TB.[32] These include a programmatic approach to diagnosis and treatment of MDR tuberculosis, tuberculosis control in migrants, and tuberculosis/HIV collaborative activities.[30] Additionally, the five-year plan for implementation of the national HIV/AIDS program aims to stem the rise of the HIV/AIDS epidemic by expanding prevention, treatment, and care activities.[33] Implementation of these new policies and interventions will require a substantial increase in both domestic resources and international support, especially for poor areas in China's central-western provinces.
Although disease-specific interventions are important, further strengthening of the public-health system will be needed if China is to halve the prevalence of tuberculosis and the number of deaths caused by the disease. To increase access, a package of essential public-health services for rural inhabitants and urban migrants should be provided with governmental subsidies. This package should include services for at least tuberculosis,
Ultimately, China's progress in the control of tuberculosis and public-health reform will depend on the degree of political commitment to address these challenges. In this regard, the indication by Premier
In conclusion, the Chinese experience has shown that investment in both control programs and health systems—rather than investment in one or the other alone—was needed, and indeed essential, to achieve the 2005 global targets for tuberculosis, and provides an example for
See also
China-related
- Public health in the People's Republic of China
- Medicine in China
- Pharmaceutical industry in China
Tuberculosis-related
- 2007 tuberculosis scare
- ATC code J04 Drugs for treatment of TB
- Latent tuberculosis
- Mycobacterium Tuberculosis Structural Genomics Consortium
- National Center for HIV, STD, and TB Prevention
- Nontuberculous mycobacteria
- Overcrowding
- Philip D'Arcy Hart
- Tuberculosis in history and art
- UNITAID
- Nosocomial infection
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Further reading
- China
- Sharma SK, Liu JJ (2006). "Progress of DOTS in global tuberculosis control". Lancet. 367 (9514): 951–2. S2CID 8798060.
- China Tuberculosis Control Collaboration (2004). "The effect of tuberculosis control in China". Lancet. 364 (9432): 417–22. S2CID 23683281..
- Dye C, Fengzeng Z, Scheele S, Williams B (2000). "Evaluating the impact of tuberculosis control: number of deaths prevented by short-course chemotherapy in China" (PDF). International Journal of Epidemiology. 29 (3): 558–64. PMID 10869331.
- Squire SB, Tang S (2004). "How much of China's success in tuberculosis control is really due to DOTS?". Lancet. 364 (9432): 391–2. S2CID 30728175.
- Xianyi C, Fengzeng Z, Hongjin D, et al. (2002). "The DOTS strategy in China: results and lessons after 10 years". Bull. World Health Organ. 80 (6): 430–6. PMID 12131998.
- World Health Organization. In: An expanded DOTS framework for effective tuberculosis control: stop TB communicable diseases. Geneva: WHO, 2002: 1-20WHO Document WHO/CDS/TB/2002·297.
- China Tuberculosis Control Collaboration (1996). "Results of directly observed short-course chemotherapy in 112,842 Chinese patients with smear-positive tuberculosis. China Tuberculosis Control Collaboration". Lancet. 347 (8998): 358–62. S2CID 20651043.
- Tang S, Wang L, Wang X, Squire SB (2002). "Does rapid economic growth reduce TB prevalence in the absence of effective TB control". Int J TB Lung Dis. 6. (suppl 1): S149.
- Tang S, Squire SB (2005). "What lessons can be drawn from tuberculosis (TB) control in China in the 1990s? An analysis from a health system perspective". Health Policy (Amsterdam, Netherlands). 72 (1): 93–104. PMID 15760702.
- General and applied
- Zignol M, Hosseini MS, Wright A, et al. (2006). "Global incidence of multidrug-resistant tuberculosis". J. Infect. Dis. 194 (4): 479–85. PMID 16845631.
- Blumberg HM, Leonard MK, Jasmer RM (2005). "Update on the treatment of tuberculosis and latent tuberculosis infection". JAMA. 293 (22): 2776–84. PMID 15941808.
- Dormandy, Thomas (2000). The White Death. New York: New York University Press. ISBN 978-0-8147-1927-5.
- Joint Tuberculosis Committee of the British Thoracic Society (2000). "Control and prevention of tuberculosis in the United Kingdom: code of practice 2000". Thorax. 55 (11): 887–901. PMID 11050256.
- Kidder, Tracy (2004). Mountains beyond Mountains. New York: Random House Trade Paperbacks. ISBN 978-0-8129-7301-3. A nonfiction account of treating TB in Haiti, Peru, and elsewhere.
- Lawlor, Clark (2007). Consumption and Literature. Basingstoke: Palgrave Macmillan. ISBN 978-0-230-02003-0.
- Nemery B, Yew WW, Albert R, et al. (2005). "Tuberculosis, nontuberculous lung infection, pleural disorders, pulmonary function, respiratory muscles, occupational lung disease, pulmonary infections, and social issues in AJRCCM in 2004". Am. J. Respir. Crit. Care Med. 171 (6): 554–62. PMID 15753485.
- Walton D, Farmer P (2000). "MSJAMA: the new white plague". JAMA. 284 (21): 2789. PMID 11105192.
External links
- Tuberculosis in China at Curlie
- (CDC) - Division of Tuberculosis Elimination News and updates.
- Kaiser Family Foundation. Tuberculosis. Globalhealthfacts.org.
- United States Agency for International Development (USAID). The Tuberculosis Coalition for Technical Assistance (TBCTA).
- World Health Organization (WHO). Tuberculosis.
- Medical Research Council (MRC) Tuberculosis
- (SciDev.Net) Tuberculosis