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    Infectious Disease Prevention Section
    Mail Code: 1927
    PO BOX 149347 - Austin, TX 78714-9347
    1100 West 49th Street, Suite G401
    Austin, TX 78714

    Phone: (512) 776-7676
    Fax: (512) 776-7616


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Investigation Guidance

IDPS Home   Investigation Forms

The Emerging and Acute Infectious Disease Guidelines (EAIDG)

The purpose of this handbook is to provide a centralized resource for outbreak and reportable disease investigations to local and regional health departments in Texas. This handbook is intended as a tool to help local and regional public health staff with their surveillance activities and investigations. Our hope is that this handbook will continue to grow over the years and highlight some of the best investigation practices in the state. Information covers control measures, case definitions, case statuses, laboratory collection/shipping procedures and more. 

List of Individual Chapters: 

Acute Flaccid Myelitis (PDF, 212 KB)

Amebiasis (PDF, 412 KB)

Amebic Meningitis/Encephalitis (PDF, 219 KB)

Ascariasis (PDF, 162 KB)

Botulism (PDF, 205 KB)

Campylobacteriosis (PDF, 477 KB)

C. auris (Candida auris) (PDF, 205 KB)

CRE (Carbapenem-resistant Enterobacteriaceae) (PDF, 184 KB)

CRS (Congenital Rubella Syndrome) (PDF, 192 KB)

Cryptosporidiosis (PDF, 175 KB)

Cyclosporiasis (PDF, 171 KB)

Diphtheria (PDF, 213 KB)

Ebola (PDF, 184 KB)

Fascioliasis (PDF, 167 KB)

GAS (Streptococcus pyogenes, Invasive) (PDF, 342 KB)

Gastroenteritis Outbreaks (PDF, 211 KB)

GBS (Group A Streptococcus agalactiae, Invasive) (PDF, 317 KB)

Haemophilus influenzae (PDF, 550 KB)

Hemolytic Uremic Syndrome, post-diarrheal (PDF, 181 KB)

HAV (Hepatitis A virus) (PDF, 334 KB)

HBV (Hepatitis B virus, Acute and Perinatal) (PDF, 382 KB)

HCV (Hepatitis C virus) (PDF, 164 KB)

HEV (Hepatitis E virus) (PDF, 172 KB)

Hookworm (PDF, 169 KB)

Influenza A Novel Variant (PDF, 478 KB)

Influenza Associated Pediatric Mortality (PDF, 436 KB)

Legionellosis (PDF, 746 KB)

Listeriosis (PDF, 237 KB)

MDR-A (Multidrug-resistant Acinetobacter) (PDF, 411 KB) 

Measles (PDF, 570 KB)

Meningococcal Infection, Invasive (PDF, 473 KB)

Mumps (PDF, 530 KB)

Norovirus Outbreaks (PDF, 195 KB)

Novel Coronavirus (PDF, 523 KB) For current  2019 novel coronavirus (2019-nCoV) guidance documents and information please see the DSHS Novel Coronavirus website: https://www.dshs.texas.gov/coronavirus/.

Novel Flu (PDF, 478 KB)

Paragonimiasis (PDF, 178 KB)

Pediatric Flu Death (PDF, 436 KB)

Pertussis (PDF, 551 KB)

Polio (PDF, 171 KB)

Rubella (PDF, 242 KB)

Salmonellosis (PDF, 205 KB)

STEC (Shiga toxin-producing Escherichia coli) (PDF, 205 KB)

Shigellosis (PDF, 200 KB)

Streptococcus pneumoniae (PDF, 205 KB)

Tetanus (PDF, 188 KB)

Tick-borne Relapsing Fever (PDF, 145 KB)

Trichuriasis (PDF, 181 KB)

Typhoid Fever (PDF, 219 KB)

Varicella (PDF, 473 KB)

Vibrio Infections including Cholera (PDF, 225 KB)

Viral Hemorrhagic Fever (Non-Ebola) (PDF, 169 KB)

VISA/VRSA (Vancomycin Intermediate Staphylococcus aureus/Vancomycin Resistant Staphylococcus aureus) (PDF, 205 KB)

Yersiniosis (PDF, 208 KB)

Appendix A: Additional Flowcharts and Tables (PDF, 622 KB)

Appendix B: OOS Exposure Notifications (PDF, 286 KB)

Appendix C: Laboratory Resources (PDF, 451 KB)

Appendix D: Summary of Updates (PDF, 202 KB)

Appendix E: Additional Resources (PDF, 206 KB)

Last updated September 17, 2021