Name three diseases spread by houseflies.
Houseflies are the carrier of easily communicable diseases. Houseflies spread diseases like typhoid, diarrhoea, cholera, amoebiasis, etc.
(a) How do houseflies carry disease-causing microbes (or pathogens)?
(b) State any two ways of preventing disease spread by houseflies.
Name two diseases spread by mosquitotes.
(a) How do mosquitoes carry disease-causing micro-organisms and spread diseases?
(b) Mention any three ways of preventing diseases spread by mosquitoes.