February 12, 2006 MSF Responds to Meningitis Outbreak in Southern Ethiopia
Epidemics regularly
hit countries in the area referred to as the African meningitis belt.
Cases of meningitis were reported during the first week of January in the
Welayita region of the Kendo Kocha and Bolo Sore woredas (administrative
units), in southern Ethiopia. In four weeks, the total number of cases reached
89 in Kendo Kocha, including 13 deaths, and 52 in Boloro Sore, with three
deaths.
Doctors Without Borders/Médecins Sans Frontières (MSF) immediately
began working with the Ethiopian Ministry of Health to respond to this epidemic,
providing medications - oily chloramphenicol and ceftriaxone - and treatment
protocol training to medical personnel at health centers. A vaccination campaign
has also been initiated to contain the epidemic. It will target more than 200,000
people between the ages of two and 30 not previously vaccinated.
Only those in this age range are vaccinated because the vaccine
is not effective for children under two and the illness is rare among people
over 30.
The campaign was launched on Sunday, February 12, and includes a major public
awareness campaign. It will continue for about two weeks. The campaign is
a joint project of MSF and the Ministry of Health. It will be carried out by
10 vaccination teams working in 10 locations across two affected areas. The
Ministry of Health has supplied the vaccines, while MSF is providing injection
supplies and logistical support with seven vehicles, and is handling the cold
chain, which is a system used to maintain the vaccines at their viable temperature
(see box below).
Meningitis is endemic in Ethiopia, and epidemics tend to break out particularly
during the major dry season, from January to March. MSF has also responded
to several outbreaks, including one in 2001 in the same region. Experience
shows that people arrive in large numbers during the first days of a vaccination
campaign and each team may vaccinate up to 1,000 people per day, for a combined
total of 10,000 for all teams. If additional areas are affected, the vaccination
campaign would be extended immediately.
To learn more about meningitis and its symptoms, please click here.
Cold Chain: Preserving Vaccines in the Field
Many vaccines, such as those for measles, polio, and meningitis, must
be kept frozen or within a constant temperature range or they will lose
their effectiveness. For example, measles vaccines must be kept between
35 and 46°F, which is not a simple task when they are being transported
in harsh desert climates. This situation calls for what is commonly known
as a "cold chain." A cold chain is a continuous system of conservation
and distribution of vaccines, at a precise temperature, from the factory
to the field. MSF has developed a vaccination kit that has enough supplies
for five teams to immunize 10,000 people. Included in this kit are ice
packs, coolers, generators, gas-powered refrigerators, freezers, and
thermometers to maintain the cold chain.