United States
Centers for Disease Control and Prevention - THE place to find US public health stats
Consumer Products: Injuries and Stats
Healthy People 2030 - look for Topics and Objectives
Youth Risk Behavior Survey - for all sorts of info on teenagers
and...journal articles, from searches usually in MEDLINE.
International
World Health Organization - a great deal of international statistics.
UNICEF, UN
and...journal articles, from searches usually in MEDLINE.
Department of Health and Human Services:
A-Z listing
Mass.gov subject specific pages:
Behavior Risk Factor
Birth Report
Cancer
Cancer Registry
Department of Public Health
Diabetes
HIV/AIDS
Measles (CDC)
Mosquito-borne Diseases
Motor Vehicle Accidents
Motor Vehicle Accidents - interactive map
Motor Vehicle Accidents - by city/town
Obesity
​Opioid Statistics
Population Health Statistics
Regional Health Indicators Reports
Sexual and Reproductive Heatlh
Smoking Reports
STDs
Substance Abuse Treatment Statistics - Massachusetts, counties, cities/towns, detailed information
Tick-borne Diseases (Lyme, etc.)
Tuberculosis
Vital Records (births, deaths)
Mass.gov - for additional information.
Infant Mortality
Centers for Disease Control (CDC) - state and national
March of Dimes - search by state, county, national; provides info by race/ethnicity
Massachusetts Death Data (under Vital Stats) - state data
Death Rates
Massachusetts Death Data (under Vital Stats) - state and community data
CDC FastStats - Deaths and Mortality
Incidence and Prevalence Rates
HIV/AIDS - state data
HIV/AIDS - National data
Measles - state and national data
Tuberculosis - state and community data
Tuberculosis - national data
Syphilis - state and community data
Syphilis - national data
Diabetes - state and community data
Diabetes - national data
COVID-19
CDC COVID Data Tracker - national data
Massachusetts COVID-19 Response Reporting - state and community data
COVID-19 Vaccination - locations of MA vaccination sites.
Salem State COVID Tracker
Note: check individual city/town web sites for mask mandate or vaccine passport requirements.