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More than a million doses of antibiotics have been sent to Madagascar by the WHO to fight the outbreak
Madagascar is facing the worst outbreak of plague in 50 years.
There have been more than 1,800 cases and 127 deaths since the start of August, according to new figures.
The island off the south-east coast of Africa is used to seeing about 400 cases of mostly bubonic plague in the same rural areas every year.
But this year it has developed into the deadlier pneumonic version and spread to much more populated areas, including the capital.
The WHO describes the plague as “one of the oldest – and most feared – of all diseases”.
Historically, plague has been responsible for widespread pandemics with extremely high numbers of deaths.
It was known as the Black Death during the 14th Century, killing more than 50 million people across Europe.
Bubonic v pneumonic plague: