Advice on what precautions to take against malaria when visiting tropical and sub-tropical parts of the world.

It is native to sub-tropical and tropical parts of the Americas.

Malaria is a major health problem in tropical and subtropical parts of the world.

Cycads are found across much of the subtropical and tropical parts of the world.

Thes are most common in the tropical parts of the world; for example, from Australia, almost 30 species are known.

They are native to Australia and mostly found in tropical parts of Queensland.

This native of Africa is naturalized in tropical parts of the world.

The tropical northern part of it has been historically remote and undeveloped.

In my country the bees spread fastest to the tropical parts.

Sometimes - particularly in the tropical parts of its range - the Green Heron breeds twice a year.