Which one of the following pairs of diseases is viral as well as transmitted by mosquitoes ?
Elephantiasis and dengue
Yellow fever and sleeping sickness
Encephalitis and sleeping sickness
Yellow fever and dengue
Assertion : Escherichia coli, Shigella sp. and Salmonella sp. are all responsible for diarrhoeal diseases.
Reason : Dehydration is common to all types of diarrhoeal diseases and adequate supply of fluids and electrolytes should be ensured.
Sprinkling oil over ponds would control malaria because
Trophozoites of Plasmodium occur in
Sand fly spreads a particular type of disease by its
AIDS is caused by HIV that principally infects