Chile: Increase in meningococcal meningitis cases
In Brief
A spike in meningococcal meningitis cases has been reported in Chile,
particularly in the regions of Valparaiso and the Metropolitan (RM).
Symptoms include severe headache, neck stiffness and rash. This serious
bacterial infection can be rapidly life-threatening.
Advice
People who are at higher risk for infection (such as students and college
residents) should consider receiving the quadrivalent ACWY meningococcal
vaccination prior to travel, although it will not protect against all
strains of meningococcal disease. See your travel health practitioner prior
to departure for an individual recommendation.
Whilst in Chile, prevent infection
- Wash your hands frequently.
- Avoid close contact, such as kissing.
- Do not share drinks or food or eating utensils.
- If you develop symptoms, seek immediate medical
attention.
More Detail
Since the beginning of the year, more than 95 people have been
infected and at least 20 have died. Most cases have been reported in the
regions of Valparaiso and Metropolitan. The number of infections is above
the average seasonal level of past five years. Laboratory testing has
confirmed that the cases are mainly due to meningococcal serogroups W 135
and B, and some are due to serogroup C. Note that there is no vaccination
available against the B strain of the disease.
Health officials have begun immunisation campaigns and advised
people to practise hygiene measures such as cough etiquette and frequent
hand washing to control the spread of the disease.
What is meningococcal disease?
Meningococcal disease is a severe, often fatal, bacterial
infection. People can contract the disease if they inhale droplets that
have been coughed or sneezed into the air by an infected person. Direct
contact with an infected person's throat secretions (e.g. through kissing,
sharing drinks) can also spread the disease.
The bacterium invades the brain and its linings, causing
meningitis, and can multiply in the blood (septicaemia). A characteristic
red, blotchy rash occurs all over the body in most serious cases. Symptoms
include fever, intense headache, vomiting, and neck stiffness. These
progress to cause coma. It is essential that infected people receive
antibiotics quickly, as the disease progresses rapidly and can cause
permanent brain damage or death.
Typically, epidemics of meningococcal disease occur among
people who live in close quarters. Vaccines against some strains of the
disease are available. People who have been in close contact with an
infected person should be promptly treated with preventive antibiotics.
For more information:
- See "Meningococcal Meningitis" in the
"Diseases and Prevention" dropdown on International SOS
Country Guides
- Contact any International SOS assistance centre
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