Epidemiology is a branch of science that deals with the study of the incidence, distribution, and control of disease in a population.

The Epidemiology Department at WMCPHD works to protect and promote the health of the residents of McLennan County. Epidemiology division monitors the prevalence of diseases and conditions that affect public health, provides expertise and analysis of communicable diseases, investigates disease outbreaks, and makes recommendations pertaining to case management and control of future disease outbreaks.

West Nile Virus

FAQs about WNV                      

MRSA Information                                 

To learn more about staph infections or to view the complete set of guidelines on how to avoid them, visit

Questions and Answers about MRSA in Schools

MRSA Informational Flyer


A Public Health Report on Injuries Related to the West (Texas) Fertilizer Plant Explosion

School Physical Activity and Nutrition Survey (SPAN) 2008 Results for McLennan County

Waco-McLennan County 2010 Community Health Needs Assesment

 Waco-McLennan County 2006 Community Health Needs Assessment

Morbidity Data for McLennan County

Quarterly Epidemiology & Public Health Preparedness Reports

Annual Reports

Annual Report on Communicable Disease McLennan County, 2010

Annual Report on Communicable Disease McLennan County, 2011

Annual Report on Communicable Disease McLennan County, 2012

Annual Report on Communicable Disease McLennan County, 2013

Disease Reporting Information/Forms 

Chronic Disease Epidemiology

McLennan County Worksite Tobacco Survey Report 2013

Greater Waco Food Environment Study 2014

Perinatal Hepatitis B Prevention Program 

The WMCPHD's Perinatal Hepatitis B Prevention Program works to identify and treat infants born to HBV-infected mothers in an effort to prevent perinatally acquired infection. Click here for more information. For reporting click here.


Infectious Diseases A-Z (DSHS)

Center for Disease Control and Prevention

Flu information

Flu Vaccine Finder