Causal Pathway of Disease or Disability
Environment (pre-exposure) Hazard/agent Behavior/risk factor Exposure Pre-symptomatic phase Apparent disease Death
Selected Sources of Data
Environmental monitoring systems Animals/vectors Individuals Laboratories Medical records Administrative records Police records Birth/death certificates
Data Sources and Methods for Surveillance
Notifiable diseases Laboratory specimens Vital records Sentinel surveillance Registries Surveys Administrative data systems Other data sources
Data Sources/Methods
Notifiable diseases Laboratory specimens Vital records Sentinel surveillance Registries Surveys Administrative data systems Other data sources
Current Status: National Notifiable Diseases Surveillance System (NNDSS)
CSTE/CDC collaboration List revised at annual CSTE meeting Voluntary reporting by states to CDC Reporting mandated at state level Reportable diseases vary by state
National Notifiable Disease Surveillance
Reporting mandated by state law/regulation Health care providers, laboratories report to local HD (county) County HD submits reports to State Reports transmitted to CDC primarily through National Electronic Telecommunications System for Surveillance (NETSS)
MUMPS
Reported Cases per 100,000 Population
50 45 40 35 30
United States 1973-1998
7 6 5 4 3 2 1 0
1983
MUMPS — by year, United States, 1983–1998
25 20 15
10 5 0
1973 1978
Reported Cases per 100,000 Population
1988
1993
1998
Year
1983 1988 1993 1998
Year
MEASLES (Rubeola)
Reported Cases (Thousands)
500 450
United States, 1963-1998 Vaccine MEASLES — by year, United licensed States, 1983–1998
350
Reported Cases (Thousands)
25 20
400
30
300 250
200 150 100 50 0
1963 1968 1973
20
15
10
10
1988 1993 1998
5
0
1983
Year
1978
Year
1983
1988
1993
1998
Passive vs. Active Surveillance
Passive - Provider-initiated
Active - Health Department-initiated
Data Sources
Notifiable diseases Laboratory specimens Vital records Sentinel surveillance Registries Surveys Administrative data systems Other data sources
30
(excluding Typhoid Fever) United States, 1967-1997 Outbreak caused by contaminated pasteurized milk, IL
Salmonellosis
Reported Cases per 100,000 Population
25
20
15
10
5 0
1967 1972 1977 1982 1987 1992
1997
Year
Salmonella—serotypes of isolates
30,00 0 27,00 0 24,00 0 21,00 0 18,00 0 15,00 0 12,00 0
United States, 1973-1998 Outbreak caused
Enteritidis
Typhimurium
by contaminated pasteurized milk, IL
Unknown
Reported isolates
Other
9,000 6,000
3,000
0
Typhimurium Enteritidis
1973 1978 1983 1988 1993
Year
1998
Blood Lead Measurements 1975-1981
110
18
Lead used in gasoline (thousan ds of tons)
100
Predicted blood lead
16
90
80 70
Gasoline lead
60 50 40 30
Observed blood lead
Mean blood 14 lead levels g/dl
12
10
1975
1976
1977
Year
1978
1979
1980
8 1981
Data Sources
Notifiable diseases Laboratory specimens Vital records Sentinel surveillance Registries Surveys Administrative data systems Other data sources
Use of NCHS Data Systems for Surveillance
Vital Statistics National Infant Mortality Surveillance (NIMS) Linked: birth records death records
Data Sources
Notifiable diseases Laboratory specimens Vital records Sentinel surveillance Registries Surveys Administrative data systems Other data sources
Sentinel Surveillance
Monitoring of key health events through sentinel: Sites Events Providers Vectors/animals
SENSOR Sentinel Event Notification System for Occupational Risks
Lead Poisoning
Michigan, 1990
NONE
1-25 26-100 100+
Confirmed Work-Related Asthma Patients
By Industry Type: 1988-1998 Michigan
4% 6% Manufacturing: n=960 Construction: n=36
16%
3% 71%
Services: n=215
Trade: N=47
Miscellaneous: N=76
Data Sources
Notifiable diseases Laboratory specimens Vital records Sentinel surveillance Registries Surveys Administrative data systems Other data sources
Lung and Bronchus Cancer (Invasive)
70
SEER Incidence and U.S. Mortality
United States, 1973-1994
60
Number/100,000
50 40 30 20 10
Incidence
Mortality
0
73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94
Year
Birth Defects Monitoring Programs
Vital records Hospital discharge summaries Hospital records (active abstraction)
Prevalence of Anencephaly and Spina Bifida Metropolitan Atlanta Congenital Defects Program, 1968-2000
25
Rate per 10,000
20
Prenatally Diagnosed Cases Hospital-based. LB & SB Babies Before Fortification After Fortifcation
15
10
5 0
68 71 74 77 80 83 86 89 92 95 98 Year of Birth
Data Sources
Notifiable diseases Laboratory specimens Vital records Sentinel surveillance Registries Surveys Administrative data systems Other data sources
Use of NCHS Data Systems for Surveillance
Population-based surveys
National Health Interview Survey National Health and Nutrition Examination Survey
Provider-based surveys
National Hospital Discharge Survey National Ambulatory Medical Care Survey
Median Serum Folate, NHANES III and 1999,
50
Nonpregnant Women, 15-44 years 4.8 14.5
Post fortification
Percentile
40
30
20 10
0
Prefortification
0 10 20 30 40
Serum Folate, ng/ml
Cesarean Deliveries United States, 1970-1992
30
Percentage
25 20
15 10 5 0
Year
Data Sources
Notifiable diseases Laboratory specimens Vital records Sentinel surveillance Registries Surveys Administrative data systems Other data sources
Ectopic Pregnancies United States 1980-1996
100000
80000
Number of 60000 Ectopic Pregnancies in 40000 women 15-44 20000
0
Year
Data Sources
Notifiable diseases Laboratory specimens Vital records Sentinel surveillance Registries Surveys Administrative data systems Other data sources
Other Data Useful for Surveillance
Vaccine Adverse Event Reporting System CDC Drug Service Miscellaneous
Information Loop of Public Health Surveillance
Public
Reports
Health Care Providers
Summaries, Interpretations, Recommendations
Health Agencies
Analysis