Medical Information for the World Traveler
Resources
International Association for Medical Assistance to Travelers (IAMAX)
1623 Military Rd. #279
Niagara Falls, NY 14304-1745
716-754-4883
www.iamat.org/
CDC - Travelers' Health
877-FYI-TRIP (toll free)
Malaria Hotline:
770-488-7788 (M-F, 8am-4:30pm, eastern time)
770-488-7100 (after hours emergencides)
wwwn.cdc.gov/travel/default.aspx
State Department Travel Center
888-407-4747
202-501-4444 (from overseas)
www.travel.state.gov/
Fujmoto, Robin and Dessery. (2003). The Medical Guide for Third World Travelers, 3rd ed. Prairie Smoke Press: Brooklyn Center, MN
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Pre-Travel Advice
- Discuss pre-existing medical conditions with physician.
- Plan for travel immunization at least one month prior to travel.
- Plan two to three months in advance for extended travel.
- Travel with a brief medical summary and a copy of EKG/chest X-ray.
- Check on health insurance/evacuation insurance.
- Visit dentist
- Carry extra pair of glasses/contact lenses
- Bring copy of optical prescription
- Bring ample supply of all medications
- Assemble a medical kit
- Use caution with foreign medications!
- Measles, Mumps, Rubella (MMR)
- One booster dose after age five if born after 1956
- Avoid with pregnancy
- One booster dose after age five if born after 1956
- Polio
- One booster dose after age 18 for travel to high risk areas (must complete primary series)
- Diphtheria - Tetanus
- Normal booster doses every 10 years for all
- Consider booster within five years for certain types of travel
- Normal booster doses every 10 years for all
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Diseases and Prevention
Cholera
- The World Health Organization and the CDC do not recommend cholera vaccinations for travelers.
- Some countries require proof of vaccination for entry
- Vaccination clinically needed only for those individuals lacking gastric acid
- Vaccination is only 50 percent effective
- Vaccination requires booster doses every 6 months
- Generally not recommended
Hepatitis A
- "Infectious" hepatitis - oral or fecal transmission extremely common in developing countries
- Children less than 2 years old generally without symptoms
- Adults can have symptoms of fever, nausea, vomiting, jaundice, lasting weeks or months
- Less than 20 percent of adults in U.S. under 50 have antibodies
- Vaccines:
- Immune globulin (gamma globulin) used to prevent infection
- IG from human serum rendered safe by special processing
- Can last up to 5 months
- Smaller doses for shorter trips
- Need to wait 4 weeks after a live virus vaccine (MMR)
- New inactivated vaccine now available
- Confers 80-98 percent protection in 15 days
- Immune globulin (gamma globulin) used to prevent infection
- Adult and pediatric vaccines:
- Adults should receive two doses and 6 to 12 months apart
- Pediatric (2-18 years old) should receive two doses 6 months apart
- Adults should receive two doses and 6 to 12 months apart
Hepatitis B
- "Serum" hepatitis
- Transmitted through blood (blood products, sexual routes)
- Similar to hepatitis A but usually less abrupt onset
- Ten percent chronic carrier states
- Now used for children
- Indicated for long-term travelers (especially children), those living or receiving medical care abroad and those anticipating sexual contacts with local residents
- Usually need 2 months for initial immunization (0, 1, 6 months or 0, 1, 2, 12 months)
- Can use accelerated series - three doses in three weeks, plus one dose in 12 months
Japanese Encephalitis
- Occurs in the Far East and Southeast Asia
- Rare disease in travelers
- Mosquito-born infection
- Highest occurrence in rural farming areas during summer and autumn
- Vaccination should be considered if spending more than 30 days in rural areas
- Vaccination requirements:
- Three doses given on days 0, 7, 30 or 0, 7, 14
- MUST have immediate access to medical care for 10 days after each dose
- Three doses given on days 0, 7, 30 or 0, 7, 14
Malaria
- Disease acquired through the bites of infected anopheles mosquitoes
- Exists in tropical or developing countries
- Many areas have chloroquine-resistant malaria
- Mefloquine (Larium) is used for travel in these areas
- Taken 1 week prior to departure with weekly doses throughout trip continuing for four weeks after leaving malarious area
- Mefloquine (Larium) is used for travel in these areas
- Reduce your risk of malaria infection by:
- Avoid outdoor activity between dusk and dawn
- Wear protective clothing - treat clothing with permethrin
- Use mosquito netting
- Use insect repellents that contain DEET
- Avoid outdoor activity between dusk and dawn
Measles, Mumps, and Rubella (MMR)
- Booster is recommended for travelers who:
- Were born after 1956 and did not get booster dose after age four
- Received MMR between 1963-67 but do not know which vaccine
- Were born after 1956 and did not get booster dose after age four
- Booster is not recommended for:
- Women who are pregnant or suspect they may be pregnant
- Pregnancy should be avoided for at least three months after vaccination
Meningococcal Vaccine
- Risk to travelers of this disease is low
- Vaccine is available
- Booster doses given every three years to those at risk
Polio
- Is a hazard in third-world countries.
- Vaccine recommendations for high risk areas
- Three doses of oral vaccine or injected vaccine for primary immunization
- 1 booster prior to travel for adults who have received primary immunization series
- Three doses of oral vaccine or injected vaccine for primary immunization
Rabies
- Low risk for short-term travelers
- Young children, field workers, animal handlers, long-term visitors or hikers traveling in remote areas may consider vaccine
- Rabies vaccine:
- Requires a dose series for prevention
- Eliminates the need for the rabies immune globulin, which is difficult to obtain in third-world countries
- If three-dose immunization series is given, then only two additional doses are needed following a bite, versus the five-dose series
- Requires a dose series for prevention
Tetanus-Diphtheria
- Occurs in the United States and abroad
- Vaccine recommendations:
- Primary immunization during childhood for most adults
- Booster doses needed every 10 years
- Booster doses should be up-to-date prior to travel
- Primary immunization during childhood for most adults
- Consider a dose within past 5 years if prolonged or remote travel is anticipated
- Vaccine recommendations:
Travelers' Diarrhea
- Caused by a variety of viral, bacterial and parasitic diseases
- Most cases are mild and self-limited (three to six days)
- Incubation period averages three days
- Prevention of travelers' diarrhea:
- Avoid contaminated food and water
- Medications are available and can be prescribed to take if symptoms develop
- Use of prophylactic antibiotics is NOT recommended
- Avoid contaminated food and water
Typhoid
- Found in many developing countries
- Acquired through contaminated food or water
- High fever, muscle aches, abdominal pain, headaches
- Most cases occur in adults
- Can be life-threatening if untreated
- Typhoid vaccine (injectable version):
- Requires two injectable doses four weeks apart or three doses at weekly intervals
- Provides approximately 70 percent protection
- Booster dose required every three years
- Requires two injectable doses four weeks apart or three doses at weekly intervals
- New typhoid vaccine
- Highly purified vaccine - not killed bacteria
- Takes two to four weeks to develop immunity
- Highly effective single dose provides protection for two years
- Can be used in children as young as age two
- Highly purified vaccine - not killed bacteria
- Oral typhoid vaccine
- Four oral doses every other day
- Highly effective
- Booster dose needed every five years
- Four oral doses every other day
Yellow Fever
- Occurs in tropical Africa, South America and Panama
- Immunization is:
- Required for entry into some countries in areas listed above
- Required for entry into countries if coming from a yellow fever endemic area
- Avoid vaccine if pregnant
- Booster needed every 10 years
- Required for entry into some countries in areas listed above
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