Question

What are vectors?Mention the vectors from malaria, typhoid and plague.

Answer 1

vectors are which trasport disease from one to another.they sperad the diseases.vectors of malaria , typhoid were virus and plague too was a viral disease

Answer 2

Answer:

Vectors are living organisms that do not cause disease by themselves but transmit the disease-causing pathogens from an infected individual to a healthy individual.  

Explanation:

Vectors are living organisms that do not cause disease by themselves but transmit the disease-causing pathogens from an infected individual to a healthy individual. Malaria, Typhoid, and Plague are vector-borne diseases where the vectors themselves remain safe and uninfected. Vectors help in disease transmission.

• Malaria: a protozoan disease

1. Pathogen: protozoan parasite - Plasmodium vivax

2. Vector: Female Anopheles mosquito

• Typhoid: a contagious disease of the intestine

1. Pathogen: bacterium Salmonella typhi

2. Vector: Contaminated food or water (by Houseflies)

• Plague: a bacterial disease also called 'black death'

1. Pathogen: Pasteurella / Yersinia pestis

2. Vactor: rat flea Xenopsylla cheopis