1.   Malaria, spread by mosquitoes, is one of the biggest public health problems in Africa.

2.   Migrating birds are thought to carry the virus from state to state, but mosquitoes spread it locally.

3.   The viral disease is spread by mosquitoes.

4.   The viral disease is spread by mosquitoes that breed in the mangrove swamps and salt flats swollen by the heavy rains of recent months.

5.   WNV, spread by mosquitoes, has caused outbreaks for decades in Africa, West Asia, Eastern Europe and the Middle East.

6.   An outbreak of Rift Valley fever, a viral disease spread by mosquitoes, was reported in neighboring Kenya in January.

7.   Both are spread by mosquitoes.

8.   Both diseases are spread by mosquitos.