Challenges In Treatment And Control

Question 1

what do vaccinations do

Answer 1

expose the immune system to a non infectious source of parasite antigens to allow the body to develop immunological memory

Question 2

what are the three difficulties in developing effective treatments

Answer 2

host parasite interconnection , rapid evolution, difficult to culture away from hosts

Question 3

what is targeted in alternative ways to control parasites

Answer 3

the transmission stage of the parasites lifecycle

Question 4

what are two alternative ways to control parasites

Answer 4

civil engineering projects and vector control

Question 5

describe how civil engineering projects control parasites

Answer 5

work to improve sanitation, for example prevent mixing of clean and dirty water, helps in cases of chlorea and shcistosoma

Question 6

what type of parasites are targeted with nets and insecticides as a method of vector control

Answer 6

mosquito carried viruses

Question 7

what two factors can make parasite control difficult

Answer 7

overcrowding and tropical climates

Question 8

how can overcrowding make parasite control more difficult

Answer 8

hosts are close together, poor sanitation and parasites can spread rapidly

Question 9

how can tropical climates affect vector control

Answer 9

make it harder, parasites can survive away from hosts and reproduce rapidly

Question 10

what are the three benefits of improved parasite control

Answer 10

more resources for growth and development, improvements in child development/intelligence and reduction in child mortality