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is the study of the distribution and determinants of disease in a population. Public health epidemiologists monitor the health and illness of a population, investigate the factors that affect the community's health, and recommend interventions to reduce the risk of disease. Epidemiology is practiced in health departments daily and involves principles of surveillance, investigation, laboratory testing, data management and communication.

Warm Weather Means Outdoor Fun...and Ticks

Spring and summer months mean enjoying all that the outdoors has to offer. It also means that ticks become more active and this can increase the risk of tick-borne disease, like Lyme Disease and Rocky Mountain Spotted Fever. The best way to lower your risk for tick-borne illness is to limit your exposure to ticks. Check out these seven ways to prevent tick-borne disease. For more information, visit the CDC's Stop Ticks page.

Courtesy of: D.C. Mosquito Squad

The Crater Health District does not endorse any particular vector control company. The infographic shown here displays pertinent information from the CDC's Stop Ticks page.

Contact Information

Communicable Disease Fax Line
(804) 862-6294

Emergency After-Hours Call Number

District Epidemiologist
Louise Lockett, MPH
(804) 862-8986
Tuberculosis Nurse
Angelia Brennan, RN
(804) 862-8901
Communicable Disease Nurse
Catherine Bailey, RN
(804) 862-7617
STI Intervention Specialist
Linda Lewis
(804) 862-8923
CD/TB Outreach
Charmin Davis
(804) 862-8902
STI Intervention Specialist
Sterling Stewart
(804) 862-8927

Resources for Health Care Professionals

Communicable Disease Quarterly Report

Request for Epi-1 Forms

Request for Data

Online Resources

Office of Epidemiology
Home page for VDH’s Office of Epidemiology.  It will connect you with the Divisions of Surveillance and Investigation, Disease Prevention, Environmental Epidemiology, Immunization and Radiological Health.

Disease Regulation Information
Contains the complete regulations for disease reporting and control for Virginia.  You will also find the reportable disease list, conditions reportable by laboratories, outbreak reporting requirements and the reporting form (Epi-1). 

Disease Fact Sheets
Contains all of VDH's disease fact sheets. From head lice to whooping cough to West Nile Virus, this is the first stop for quick, reliable disease information. Fact sheets are also available here in Spanish.

Communicable Disease Chart for Schools
Direct link to the PDF.  Make sure to review the footnotes at the bottom of this document.  Last revised November 1st, 2011.  More information can be found in the VDOE School Health Guidelines (located at the bottom of the page).

Nursing Facility Regulations
Contains a line list of guidelines from VDH’s Office of Licensure and Certification.  The Rules and Regulations for the Licensure of Nursing Facilities in Virginia can be found here.

VDSS Assisted Living Facility Regulations
Contains information on regulations, Code of Virginia, application process, guidelines, forms, training and more.

Successful Strategies for Infection Prevention & ControlThis toolkit contains infection prevention presentations, resources, and tools that have been adapted for the assisted living facility (ALF) and nursing home (NH) setting whenever possible. Much of the tools like infection prevention guidance, fact sheets and surveillance logs, however, are generally applicable to other settings.

EPA Registered Disinfectants
Contains listings of EPA registered antimicrobial products that are effective against HIV, Hepatitis B and C, Norovirus, MRSA and more.

FDA Bad Bug Book
Provides basic facts regarding foodborne pathogens and natural toxins

CDC Health Alert Network
Provides recent and archived health alerts, advisories, updates and informational messages regarding vital health information.

Ebola Outbreak in West Africa

Current Situation
The countries of Guinea and Sierra Leone continue to experience an outbreak of Ebola. As of May 9th, the World Health Organization (WHO) declared Liberia as Ebola-free. For the most up-to-date information, including case counts, visit the CDC Ebola Outbreak webpage.

Public health efforts to control disease transmission include:

  • Airport exit screening of travelers leaving countries experiencing widespread Ebola transmission. Travelers determined to have symptoms are detained for further evaluation.
  • Airport entrance screening of travelers from Ebola-affected countries entering the United States. Travelers are evaluated for symptoms and risk of Ebola exposure.
  • Post-arrival 21 day monitoring of all travelers from Ebola-affected countries entering the United States. Travelers from Guinea Sierra Leone are being monitored for 21 days by public health authorities.
  • Travelers from Liberia will self-monitor for symptoms for 21 days after arriving.

What is Ebola?
Ebola hemorrhagic fever is one of several Viral Hemorrhagic Fevers. It a rare and deadly disease caused by one of the Ebola virus strains. People who become infected typically develop fever, headache, weakness, joint and muscle aches, diarrhea, vomiting, stomach pain, and loss of appetite. Some people may also begin to hemorrhage (bleed) inside and outside of the body. It is spread by direct contact (through broken skin or mucous membranes) with an infected person’s blood or body fluids, such as urine, saliva, feces, vomit, and semen. It is also spread through contact with objects (like needles) that have been contaminated with infected secretions. For more information, see the CDC Ebola fact sheet.

Risk in the U.S.
Transmission of the virus requires direct contact with an infected person’s blood or body fluids or contact with objects contaminated with infected secretions. Therefore, there is no significant risk for widespread transmission in the U.S.

Healthcare providers in the U.S.
CDC encourages all U.S. healthcare providers to

  • Take good travel histories of their patients to determine if they have traveled to Guinea and Sierra Leone within the last 3 weeks.
  • Know the symptoms of Ebola—fever, headache, joint and muscle aches, weakness, diarrhea, vomiting, stomach pain and lack of appetite, and in some cases bleeding.
  • For symptomatic patients with recent travel to Guinea and Sierra Leone or contact with a known case, isolate the patient properly, then follow infection control precautions to prevent spread.
  • Contact your local health department to discuss any suspected case and testing.

For complete Ebola Information for Healthcare Providers and Facilities, click here.

Information Resources
For more information about Ebola and what the Virginia Department of Health is doing, visit the VDH Ebola website or call 211.


Last Updated: 06-24-2015

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