(CNN) The death toll from Tropical Cyclone Kenneth has climbed to 38, the Mozambican government's disaster management institute said on Monday.

Four people have also died in the island nation of Comoros, according to the United Nations Office for the Coordination of Humanitarian Affairs.

The cyclone, the strongest storm to hit the region since records began, made landfall in Mozambique on Thursday.

Kenneth is the second powerful tropical storm to hit southeast Africa in five weeks. Despite its power, Cyclone Kenneth is slow-moving, leading experts to fear it could continue to dump torrential rains on an area still reeling from the devastation wrought by Cyclone Idai.

That storm killed 750 people across southern Africa, forced thousands into camps in March and wreaked an estimated $1 billion worth of damage -- about 10% of Mozambique's GDP.

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