Examples Of Communicable Diseases

Question 1

Measles

Answer 1

• viral disease
• symptoms include: fever, red skin rash. Possible death if there are complications such as pneumonia or encephalitis
• vaccines help prevent Measles
• transmitted by inhalation of droplets (sneezes or coughs)

Question 2

HIV

Answer 2

• Viral disease
• virus attacks immune system so badly it can’t deal with any other infections, viruses or cancers
• Successfully controlled with antiretrovial drug to not give symptoms
• spread by sexual contact our exchange of bodily fluids (could be sharing needles or blood)

Question 3

Tobacco mosaic virus (TMV)

Answer 3

• plant pathogen, effecting many species of plant
• gives a distinct mosaic pattern of discoloration on leaves, affecting growth of plant due to lack of photosynthesis
• It is a virus

Question 4

Salmonella

Answer 4

• bacterial diseases
• food poisoning
• spread by bacteria on food prepared on unhygienic conditions.
• symptoms include: fever, abdominal cramps, vomiting and diarrhoea.

Question 5

Gonorrhoea

Answer 5

• STD bacterial diseases
• thick yellow or green discharge from vagina or penis and pain on urination
• Treated with antibiotics
• prevented with using condoms

Question 6

Rose black spot

Answer 6

• fungal disease
• black or purple spots develop on leaf, turning leaf yellow and dropping early.
• effects growth and reduces photosynthesis
• transmitted by the environment by water or wind
• treated with fungicides and/or removing affected leaves

Question 7

Malaria

Answer 7

• protist disease
• causes recurrent episodes of fever and can be fatal
• spread through mosquitos bites/laying eggs in your bloodstream
• avoiding being bitten with mosquito nets can prevent it