International Society of Travel Medicine
E-mail: ISTM@ISTM.org
Skypename: istm.office
Office hours: Monday - Friday, 9.00 - 17.00 EDT (UTC-04)

GeoSentinel Affiliate Members

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Please contact GeoSentinel for any alarming clinical event. In addition to the listed specific diagnoses, GeoSentinel is interested in hearing of anything that an Affiliate Member thinks is unusual or worthy of comparing notes with the experience of other Affiliate Members and GeoSentinel Sites.

Alarming Diagnosis List: 

GeoSentinel Affiliate Members should contact GeoSentinel with information on any traveler they see or have reasonable knowledge of, presenting with:

  • Any unusual diagnosis, unusual clinical manifestation of a usual diagnosis, or unusual geographic origin the Affiliate Member thinks of interest to GeoSentinel
  • Falciparum malaria resistant to quinine, mefloquine, or atovaquone/proguanil
  • P. vivax, P. ovale, or P. malariae resistant to chloroquine
  • Enteric or other bacterial infection with unusual or rarely reported antibiotic resistance
OR any of the following diagnoses:
ANTHRAX
BOTULISM
CHAGAS'  DISEASE, ACUTE
CHOLERA (TOXIGENIC V. CHOLERA O1/O139)
DEATH
DENGUE, COMPLICATED
DIPHTHERIA, CUTANEOUS
DIPHTHERIA: PHARYNGEAL OR TRACHEOBRONCIAL
E. COLI, SHIGA TOXIN PRODUCING (aka Enterohemorrhagic E. COLI, EHEC/Verocytotoxin-producing E. coli, VTEC) includes E. coli 0157:H7
EBOLA VIRUS
ENCEPHALITIS, ACUTE SPECIFIC ETIOLOGY
ENCEPHALITIS, ACUTE UNSPECIFIED
HANTAVIRUS
HEMOLYTIC UREMIC SYNDROME (SHIGA TOXIN ASSOCIATED)
HEMORRHAGIC FEVER SYNDROME, ACUTE
INFLUENZA, AVIAN
LASSA FEVER
MALARIA, ARTEMISININ-RESISTANT OR TREATMENT FAILURE
MALARIA, ATOVAQUONE-RESISTANT OR TREATMENT FAILURE
MALARIA, MEFLOQUINE- RESISTANT OR TREATMENT FAILURE
MALARIA, PRIMAQUINE-RESISTANT OR TREATMENT FAILURE
MALARIA, QUININE-RESISTANT OR TREATMENT FAILURE
MAYARO VIRUS
MENINGITIS, MENINGOCOCCAL
MERS Co-V
MYCOBACTERIUM TUBERCULOSIS, MDR
MYCOBACTERIUM TUBERCULOSIS, pre-XDR
MYCOBACTERIUM TUBERCULOSIS, XDR
OROPOUCHE VIRUS
POISONING, SHELLFISH
POLIOMYELITIS
Q FEVER (COXIELLA BURNETII)
RABIES
RICKETTSIA, PROWAZEKI (EPIDEMIC TYPHUS, LOUSE BORNE)
RIFT VALLEY FEVER
SARCOCYSTOSIS, MUSCULAR
SERIOUS ADVERSE EVENT (SAE), DRUG-RELATED (INCLUDING ANTI-MALARIALS)
SERIOUS ADVERSE EVENT (SAE), VACCINE-RELATED (INCLUDING YF)
SEVERE ACUTE RESPIRATORY SYNDROME (SARS)
SMALLPOX (VARIOLA MAJOR)
TRYPANOSOMIASIS, AFRICAN (T. B. GAMBIENSE)
TRYPANOSOMIASIS, AFRICAN (T. B. RHODESIENSE)
TULAREMIA
YELLOW FEVER
YERSINIA PESTIS (BUBONIC or PNEUMONIC)
ZIKA VIRUS, NON-VECTOR-ASSOCIATED (SEXUAL-, TRANSFUSION-, TRANSPLANTATION-, OR BREAST MILK-ASSOCIATED)

Eligibility Criteria:

Illness related to crossing an international border in any traveler or migrant.

How to contact GeoSentinel:

Send an informal e-mail with a very brief description of the diagnosis and circumstances to geosentinel@istm.org.

GeoSentinel will contact the Affiliate Member if further information required.

The e-mail should contain at least age, countries of likely acquisition of illness, pertinent clinical and lab findings. Long pieces pasted from existing patient records are acceptable as long as specific patient identifiers are removed.