The disease chikungunya is transmitted by:
Vector
Vectors are organisms that transmit the pathogen without getting infected by the pathogen. Examples include houseflies, mosquitoes, cockroaches etc.House fly
House flies are vectors for diseases like Shigellosis, typhoid fever, and cholera etc.Aedes mosquito
Aedes aegypti mosquito causes the transmission of chikungunya virus in healthy persons.Cockroach
Cockroaches act as vectors and transmit various diseases-causing microbes like Salmonella which cause salmonellosis.Female Anopheles
Female Anopheles mosquito is a vector which transmits Plasmodium parasite.Final answer
b. Aedes mosquito