In the crowded fever ward in Bangladesh's Mugda hospital, every bed is taken as the country struggles in the grip of its deadliest dengue outbreak.
More than 1,000 people have died this year in the nation's worst recorded spate of the mosquito-borne disease, which scientists say is becoming a growing threat due to climate change.
In the worst cases, intense viral fevers trigger bleeding, internally or from the mouth and nose.
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