1.   But when there is no pressing military or colonial imperative, the developed world loses interest in tropical diseases.

2.   For others remaining or settling around the reservoir or flooded areas, tropical diseases often become prevalent.

3.   He also used to take me into the insect house, where he kept mosquitoes infected with tropical diseases.

4.   I had suggested some new tropical disease was a far more likely explanation.

5.   Increasingly high standards favour the larger wealthy companies that have little interest in tropical diseases.

6.   Maybe he was ill - delirious with some sort of tropical disease?

7.   My father was engaged in research in tropical diseases, and he used to take me around his laboratory in Mill Hill.

8.   Or what if he gets a toothache or needs an appendectomy or is bringing some incurable tropical disease over here with him?

9.   She is a world expert on tropical diseases.

10.   The Health Department is seeking the advice of a team of tropical disease specialists.