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SARS Reflection: A Framework for Improving
Public Health Systems in ChinaPublic Health Systems in China
Jesse Huang,MB, MHPE,MPH, MBAAssistant President and Dean for Continuing Education g
Professor of EpidemiologyChinese Academy of Medical Sciences
Peking Union Medical CollegeA Refection on SARS Events
Peking Union Medical CollegeEmail:[email protected]
Tel: 6529-5986 13366029153
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I illI will…
• Describe 2003 SARS chronology in ChinaChina
• Analyze China’s public health systemsP f k f i i• Propose a framework for improving public health systems in China
• Share my observations re: 2004’s system testing by SARS.
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Why we pay attention to SARS ?Why we pay attention to SARS ?
• SARS threats to our health and well-being
• SARS control is a mirror to tell us if public health systems areus if public health systems are working g
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What is SARS’s Impact?
How does SARS threat to our health and well-being?
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According to Associated Press:According to Associated Press:
One SARS PandemicOne SARS Pandemic
I E l FiveIs Equal to Five “9.11”
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What is SARS’s Impact on China’s Public Health Systems?
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Total Cases: 8,422 (Mainland China: 5,327)Total Deaths: 916 (Mainland China: 349)
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AS A MiAS A Mirror…
Ch l f 2003 SARSChronology of 2003 SARScrisis will tell us ifcrisis will tell us if
China’s public healthChina s public healthsystems are workingsystems are working
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Chronology of 2003 SARS
• 2002– 11/16: 1st case of AP of unknown etiology,
F h ChiFushan, China– 12/17- 22: 2 AP pt. transferred to Guangzhou from
Heyuang 7 HCWs: infected Information: blockedHeyuang. 7 HCWs: infected. Information: blocked• 2003
– 1/2: Population panic in Heyuang city. People1/2: Population panic in Heyuang city. People rushed to buy herbal medicine, Heyuang reported 1st Cases
– 1/3: Heyuang Newspaper: There is no epidemic in Heyuang…. cough, fever and other symptoms are caused by cold whether - perhaps this is thecaused by cold whether, perhaps this is the first article on SARS in China’s media.
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Chronology 2003 of SARS• 2003
– 1/14: Provincial CDC was informed an AP outbreak i Zh h S l i kl din Zhongshan. Several pts quickly progressed to respiratory failure and die. Outbreak also among HCWs.HCWs.
– The early February, epidemic reached peak inGuangzhou.
– 2/8: Cellular phone short text message circulated40 m times X 3 days, Rumors: fetal flu, bt, etc.Epidemic news occurred in Hong Kong’s mediaEpidemic news occurred in Hong Kong s media
– 2/11: News Conference: 305 cases, 5 deaths since 11/16, 2002. The epidemic is under control, p
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A Refection on SARS Events
Chronology of 2003 SARS
• 20032/11 and 2/14: PROMED issued the global warnings– 2/11 and 2/14: PROMED issued the global warnings
– 2/18: Xinhua New Agency reported that Chinese CDChas discovered the cause of the disease: chlamydia,y ,Guangdong disagreed: the cause is the virus
– 2/21: A Dr. arrived HK, stayed in Metropol, room 911,d th i t 7 d tlpassed the virus to 7 persons and consequently
spread the virus around the world– 2/26: a Metropol guest carried the virus to Vietnam– 2/26: a Metropol guest carried the virus to Vietnam,
infected 20 persons, including Dr. Urbani, died ofthe disease in Thailand on 3/29
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What is atypical pneumonia ?yp p
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Chronology of 2003 SARS
• 2003– 3/1: Beijing had 1st SARS case from Shanxi– 3/1: Beijing had 1st SARS case from Shanxi,
(infected in Guangzhou). SARS spread in thecapital The information was blocked againcapital. The information was blocked again
– 3/12: WHO issues a global SARS alert3/26 GD l d F b b– 3/26, GD released Feb. number: casesincreased from 305 to 792, the death tolli d f 5 t 31increased from 5 to 31
– people begin to suspect the previous claimthat the epidemic is under control
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Epidemic chain
BeijingBeijing
Shangxi
GuangzhouGua g ou
Hongkong
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Ch l f 2003 SARSChronology of 2003 SARS
• 20034/3 Health Minister announced that the SARS– 4/3, Health Minister announced that the SARSspreading is under control. Beijing had 12 cases and3 deaths. A retired military doctor revealed the truththat Beijing’s epidemic is not under control.
– 4/20: 2 top gov officials were removed from theirpostpost.
– 4/25: Vice-Premier Wu Yi: Heath Minister – Measures were taken to contain SARS spreading– Measures were taken to contain SARS spreading– 5/23: WHO took GD and HK from its travel warning
list.– 6/24: WHO took Beijing from its travel warning list.
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From Chronology of 2003 SARS…
W Chi ’ bliWere China’s public health systems working?health systems working?
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Ch l f 2003 SARS tChronology of 2003 SARS suggests…
• China did not have prepared public health systems• The central command system: not working• Information systems: not functioning
R id di i it l ki• Rapid diagnosis capacity: lacking• Field epidemiologists: not prepared
Pharmaceutical stockpile: not enough• Pharmaceutical stockpile: not enough• Hospitals and HCWs: not prepared• Risk communication skills: poor• Risk communication skills: poor
This realization led to huge efforts to improve PHThis realization led to huge efforts to improve PH systems in China
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AS A MiAS A Mirror…
SARS returns to testSARS returns to test us againus again…
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20042004 • Guangdong: 1/5-31
– 4 sporadic community-aquired casesp y q– Quick response, complete control– ¾ cases were likely to be caused by Civet cat.y y
• Beijing/Anhui: 4/22-5/7Beijing/Anhui: 4/22 5/7– 9 cases, 2 clear transmission chains– Quick response, complete controlQuick response, complete control– Lab contamination is the source of outbreak
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Guangdong, 1/5-31
Acknowledgement to Dr. Luo Huiming of GD CDC for using the following 5 slides
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Onset and Treatment of 4 SARS Cases Guangdong 20044 SARS Cases, Guangdong, 2004
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Host?Carriers?
Infection sourcesCivet cat ????Hospital infection
啮齿类?
灭鼠
Civet cat ???? control
Mice啮齿类?Wild
Animalmarket
Hospital传播途径?
(干燥粪便?)
Mice
Droplet (近距离)
e (干燥粪便?)
Human Human Droplet (近距离)
Managing of Wild
Early discover Early reportEarly isolation
of Wild Animal Market
Environmental contamination a y so at oEarly treatment隐性感染人群传播?
环境污染、宿主扩散? Source: Guangdong CDC
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Beijing: 4/22-5/7
Be preparedKeep distanceKeep distancefrom AP
Sources: Beijing CDC
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Chronology of Beijing 2004 SARSChronology of Beijing 2004 SARS
• 2004– 4/21, 5:00 PM: a suspected SARS case report
received, isolated and field investigated began40 minutes later
– 4/21 night, SARS lab network began to operateg , g p– 4/22, evening, lab confirmed diagnosis
4/22 7:00PM MOH released epidemic info to– 4/22, 7:00PM, MOH released epidemic info topublic4/22 23 l d th t ti l id i it
Source: Dr. Cui xiaobo
– 4/22-23, closed three potential epidemic sites
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Chronology of Beijing 2004 SARSChronology of Beijing 2004 SARS
• 20044/22 Dit h it l d t t k SARS t– 4/22, Ditan hospital: ready to take SARS pt.
– 4/23, Central command system began to work4/24 i l t d d i ti t d 80% f 747 l– 4/24, isolated and investigated 80% of 747 closecontacts.5/10 isolation of 719 close contacts ended– 5/10, isolation of 719 close contacts ended
– 5/23, all isolation ended, no more new case.7/1 l d i ti ti lt t bli C– 7/1: released investigation results to public: Causeof outbreak: lab contamination, CDC directorresigned
Source: Dr. Cui xiaobo
resigned.
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Onset and diagnosis time of 9 SARS cases and two transmission chains,Beijing, 2004
41A1
11A1
1A3 4 5
3 11A
1B
1A2
1A3
1A4
1
1A 1B
1A2
1A3,4,5
2 2
1B1A5
2LabInfectionSources
1 1A1
Sources
03- 3- 3- 3- 3- 3- 3- 4-1 4-2 4-3 4-4 4-5 4-6 4-7 4-8 4-9 4- 4- 4- 4- 4- 4- 4- 4- 4- 4- 4- 4- 4- 4- 4- 4- 4- 4- 4- 4- 4- 5-1 5-2 5-33
25
3
26
3
27
3
28
3
29
3
30
3
31
4 1 4 2 4 3 4 4 4 5 4 6 4 7 4 8 4 9 4
10
4
11
4
12
4
13
4
14
4
15
4
16
4
17
4
18
4
19
4
20
4
21
4
22
4
23
4
24
4
25
4
26
4
27
4
28
4
29
4
30
5 1 5 2 5 3
N b f CN b f C Number of CaseDiagnosed
Number of CaseOnset
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Source: Dr. Cui xiaobo
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Source: Dr. Cui xiaobo
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Source: Dr. Cui xiaobo
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Source: Dr. Cui xiaobo
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Comparison of 2003 and 2004 SARS in Chinap
Public health system 2003 SARS 2004 SARS
Central command system Not working WorkingInformation systems Not functioning FunctioningRapid diagnosis capacity Lacking Working/improvingRapid diagnosis capacity Lacking Working/improvingField epidemiologists Not prepared Well preparedPharmaceutical stockpile Not prepared PreparedPharmaceutical stockpile Not prepared PreparedHospitals and HCWs Not prepared Prepared to treat
Not prepared to alert and report
Risk communication skills Poor Good
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MD: not prepared to alert and report
Case Onset Suspect Time intervalCase Onset Suspect Time interval date SARS date
Song X 3/25 4/20 27 daysLi X 4/5 4/22 12 daysYang XX 4/17 4/22 6 days
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ObservationsObservations
• System is working but need improvementy g p• Two critical improvement opportunities:
Paradigm shift: From biomedical model– Paradigm shift: From biomedical model to modern public health model and bio-socio-psycho medical-environmentalsocio-psycho medical-environmental modelP bli h lth t it b ildi– Public health system capacity building is the key
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Paradigm shiftParadigm shift
• Public health community only has about 10% of resources to address issues of public’ s healthresources to address issues of public s health
• Different disciplines within public health community need to lean to work together Field epidemiologistsneed to lean to work together. Field epidemiologists, for example, need to work closely with laboratory professional and public relation experts.
• Public health and medicine need to be integrated. MD is a very important part of public health system, from surveillance to control
• Different gov. sections need to work together.
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Paradigm shiftParadigm shift
• Public’s health should be nation’s priority: Current t i t d i d f dd i bli ’gov system is not designed for addressing public’s
health. Funding mechanism, for example, through MOH and MOST is not working well No gov turf isMOH and MOST is not working well. No gov turf is needed when facing health challenges
• Public health issues are not just “bio-medical” issue,Public health issues are not just bio medical issue, nor pure sciences or technology issues. AIDS is a typical example. Health education is the best vaccine for AIDS prevention and control, however, under current system, China’s very limited AIDS control resource is not best utilizedresource is not best utilized.
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Capacity buildingCapacity building
• Nation-wide rapid lab diagnostic and reference network is of paramountreference network is of paramount importance , we also need:
Fi ld id i l t t k• Field epidemiology response team network• Applied research capacity
P bli l ti d i k i ti t• Public relation and risk communication team• Emerging and re-emerging diseases surveillance
system ssystem s• …
With t ft h d i lWithout software, hardware is useless.
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ObservationsObservations
• Communicable diseases do not t hi l b d irespect geographical boundaries –
though all diseases are local
• Investing in public health system, b d j t SARS AIDS ldbeyond just SARS or AIDS, would protect every citizen from diseases, and improve the quality of life.
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A Framework for Improving S CPublic Health Systems in China
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Principles
Chinese needs based system improvement• Chinese needs based system improvement approach, using developed countries models as referencemodels as reference.
Evidence based system development• Evidence-based system development approach, using modern public health model and bio-socio-psycho medical-model and bio-socio-psycho medical-environmental model.
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Priorities
• Prevention first. 99.9% of public health crises should be controlled at local levelcrises should be controlled at local level with enough capacity to handle NBC crisis of significant health social economic andof significant health , social, economic, and political impacts Manpower development and capacity• Manpower development and capacity building is the key to the success of the systemsystem.
• The state-of-the-art information technologyith t i bilit h ld b l dwith sustainability should be employed.
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System components• Central command and coordination system• National electronic disease surveillance information
system• Metropolitan syndrome surveillance system• Public health-clinician linkage information system• Nation-wide rapid public health lab diagnosis system
Fi ld id i l i t t d t k t• Field epidemiologist team and network system• Pharmaceutical stockpile • Metropolitan medical response system and medical• Metropolitan medical response system and medical
education system• Risk communication and risk management systemsRisk communication and risk management systems• Crisis management monitoring and evaluation system
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ObservationsObservations
I am positive China will have a good public healthsystem- it takes time.
– Strong national leadership– Good legal framework for disease control– Responsible governments at all levels– Social mobilization and organization abilities
E i f d ti– Economic foundation– The existing public health system
Popularity of prevention concept– Popularity of prevention concept– Experience from the war against SARS– International resources– International resources
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“The GNP tells you everything about a country that is not important. It y pdoes not inform about the beauty of the countryside the joy and value of itscountryside, the joy and value of its music and art --- or the health of its children ”children…”
M t C tl C lMargaret Catley-CarlsonUN Children’s Summit, 1990,
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Thank YouThank YouQ & AQ