Communicable Diseases

Question 1

What are pathogens?

Answer 1

Microorganisms that can cause infectious diseases. They can infect plants or animals, spreading through either direct contact, by water or air.

Question 2

What are symptons of measels, how is it spread and how is it prevented?

Answer 2

symptoms: fever and skin rash
spread: droplet infection
prevented: vaccinations for young children

Question 3

What are the symptoms of HIV, how is it spread and how is it prevented?

Answer 3

symptoms: flu-like initially, later AIDS
spread: sexual contact or exchange of bodily fluids
prevented: condoms, not sharing needles etc.

Question 4

What are the symptoms of Tobacco mosaic virus, how is it spread and how is it prevented?

Answer 4

symptoms: discolouration of leaves,
spread: contact between diseased plant to healthy plant
prevented: field hygiene

Question 5

What are the symptoms of salmonella, how is it spread and how is it prevented?

Answer 5

symptoms: fever, vomiting, stomach pain, diarrhoea
spread: raw meat and eggs, unhygienic conditions
prevented: cooking throughly, vaccinating animals etc.

Question 6

What are the symptoms of Gonorrhea, how is it spread and how is it prevented?

Answer 6

symptoms: thick yellow or green discharge, painful urination
spread: sexual contact
prevented: contraception

Question 7

What are the symptoms of rose black spot, how is it spread and how is it prevented?

Answer 7

symptoms: purple or black spots on leaves
spread: spores of the fungus spread in rain or wind
prevented: using fungicides or stripping affected leaves

Question 8

What are the symptoms of malaria, how is it spread and how is it prevented?

Answer 8

symptoms: fevers and shaking
spread: the vector is a female mosquito. Mosquito insert protists into the human bloodstream when feeding on them
prevented: insect repellents, drugs