which measures dengue mosquito density, currently ranges between 15 and 20, an indication of a potential epidemic situation. According to the World Health Organization (WHO), this index should ideally ...
A worker sprays insecticide to prevent the spread of dengue mosquitoes in a house in Colombo, Sri Lanka on Feb. 5, ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback