124 dead, nearly 1,200 infected with plague in Madagascar

plague explainer cohen orig mg_00001604
plague explainer cohen orig mg_00001604

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  • 1,192 cases of plague have been reported since August
  • 780 cases have been cured since August 1

(CNN)A plague outbreak in Madagascar has infected 1,192 people since August, with 124 deaths, the United Nations Office for the Coordination of Humanitarian Affairs and Madagascar's National Bureau of Risk Management and Disaster reported on Monday.

The majority of cases, 67%, were the pneumonic form of the disease, which can spread from person to person.
    Plague is caused by infection with the bacterium Yersinia pestis and is typically spread through the bite of infected fleas, frequently carried by rats, causing bubonic plague. Symptoms include painful, swollen lymph nodes, called bubos, as well as fever, chills and coughing.
    Pneumonic plague is more virulent or damaging and is an advanced form characterized by a severe lung infection that can be transmitted from person to person via airborne droplets such as through coughing or sneezing, for example. The incubation period is short, and an infected person may die within 12 to 24 hours.
    Both forms can be treated with antibiotics, making early detection a priority.
    Of Madagascar's 114 districts, 40 have reported cases of pneumonic plague and less than 30% of people who have had contact with cases can be traced, according to the UN office. Those who've been in contact might need treatment themselves and may pose further risk of spreading the infection.
    Cases have been reported in at least 10 cities, including the the larger, more populated, cities of Antananarivo and Toamasina.
    People stand back as a council worker sprays disinfectant during the clean-up of the market of Anosibe in the Anosibe district, one of the most unsalubrious districts of Antananarivo.
    But 780 individuals have been cured of their infection since August 1 and six of the affected districts have not reported new cases for 15 days, the UN report states.
    Despite the increase in numbers, the trend has been relatively stable, a World Health Organization representative told CNN.
    Dr. Charlotte Ndiaye, WHO representative in Madagascar, added that about half the deaths are occurring in the community, not health centers, according to government figures, which demonstrates that more work needs to be done to help people understand that treatment is available, and they need to go to health services as quickly as possible.
    Plague is endemic to Madagascar, with an estimated 400 cases reported there every year, mostly the bubonic variety, but the current outbreak has affected more areas and started earlier than usual.
    It's also unusual for large urban areas to be affected, as they have been this year, the WHO previously told CNN.
    The current outbreak began after the death of a man in the central highlands of the country -- a plague-endemic area -- after which the Ministry of Public Health began investigating and tracing his contacts, according to the WHO.
    The epidemic has garnered national and international control efforts.
    Eight health centers have been designated by WHO to manage plague cases and alleviate the burden on hospitals and health clinics. Last week the International Federation of Red Cross also announced the deployment of a treatment center in the country.
    The federation's Secretary General Elhadj As Sy called for global support and launched an emergency appeal for around $5.5 million last week.
    WHO has also provided the medications to treat up to 5,000 people and protect 100,000 people who may have been in contact with infected individuals. Both organizations have trained and mobilized thousands of volunteers.
    Protocols are also being proposed for safe burial practices to ensure maximum safety and protection from infection.
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    Public schools are closed and the government has forbidden public gatherings, according to the Red Cross.
    The risk of further spread nationally remains very high, WHO stated in its most recent situation report, and risk of regional spread is moderate due to neighboring islands and southern and east African countries.
    Samples from patients in Seychelles suspected to be ill with pneumonic plague tested negative, the WHO reported Tuesday.
    "The risk of international spread is low, because generally, people with plague are too sick to travel," Ndiaye told CNN in a previous report.
    She explained WHO is working closely with Madagascar's airport authorities to ensure control measures -- such as temperature checks and medical teams -- are in place at airports and ports to prevent the spread of infection outside the country.