communicable diseases

Question 1

What type of pathogen is tuberculosis caused by and what is it called?

Answer 1

• a bacterium called Mycobacterium tuberculosis

Question 2

How is tuberculosis spread?

Answer 2

• when someone with the disease coughs or sneezed beside them causing them to inhale the droplets containing the bacteria
• they would have to be in close contact for a long time

Question 3

What type of pathogen causes HIV/AIDS and what is it called?

Answer 3

• a virus called the human immunodeficiency virus

Question 4

What type of pathogen causes Black Sigatoka and what is it called?

Answer 4

• fungus called Mycosphaerella fijiensis

Question 5

How is black Sigatoka spread?

Answer 5

• it is spread from tree to tree by wind, rain and irrigation water

Question 6

What are the symptoms of black Sigatoka?

Answer 6

• tiny chloroquine spots that appear on the bottom surface of the 3rd or 4th open leaf
• within some days, the spots grow and appear brown with light grey centres