Malaria 2004

Table 1. Malaria Cases by Race and Sex, Indiana, 2004

  2004 2000-2004
Cases Rate* Cases
Total 17 0.27 66
Race
   White 11 0.20 25
   Black 2 0.36 18
   Other 0 0 6
   Not Reported 4 - 17
Sex
   Male 14 0.46 46
   Female 3 0.09 19
   Not Reported 0 - 1

*Rate per 100,000 population based on the U.S. Census Bureau’s population data as of July 1, 2004

Malaria is a serious, sometimes fatal, blood disease caused by one of four Plasmodium parasite species (falciparum, vivax, ovale, malariae) and transmitted by the bite of an infected female Anopheles mosquito. The clinical illness is characterized by cyclic fevers and chills. Other clinical features include abdominal pain, vomiting, headache, tachycardia, hypotension, and backache. Plasmodium falciparum causes the most severe illness and is potentially fatal.

During the five-year period 2000-2004, malaria cases were reported in Indiana following international travel to Sub-Saharan Africa, Tropical (northern) South America, Central America, India, the Caribbean (Haiti and Dominican Republic), and parts of Asia. As shown in Figure 1, the number of reported cases per year varied. In 2004, the number of reported cases was highest during the late summer and fall (Figure 2). As shown in Figure 3, age-specific rates were highest for adults aged 20-29 years (0.46).

Prior to traveling to malaria-infected areas, travelers should always see a physician to obtain anti-malarial medications to prevent malaria infection. The selection of anti-malarial medications will vary depending on travel destination due to anti-malarial medication resistance in many parts of the world.

You can learn more about malaria by visiting the following Web sites:
http://www.cdc.gov/travel/diseases.htm#malaria
http://www.cdc.gov/malaria/