Human immunodeficiency virus (HIV) is a pathogen - AQA - GCSE Biology - Question 7 - 2022 - Paper 1
Question 7
Human immunodeficiency virus (HIV) is a pathogen.
Give one way HIV can spread from one person to another person.
[1 mark]
Table 8 shows information about new case... show full transcript
Worked Solution & Example Answer:Human immunodeficiency virus (HIV) is a pathogen - AQA - GCSE Biology - Question 7 - 2022 - Paper 1
Step 1
Give one way HIV can spread from one person to another person.
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Answer
HIV can spread through sexual contact or the exchange of body fluids, such as sharing needles or blood transfusions.
Step 2
Describe the trends shown in Table 8 between 2010 and 2018.
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Answer
The number of new HIV cases in women decreased from 376 in 2010 to 242 in 2018. Conversely, the number of new HIV cases in men decreased from 2266 in 2010 to 1288 in 2018. This shows a general downward trend in both genders over the eight-year period.
Step 3
Suggest one reason for the change in the number of new HIV cases between 2014 and 2018.
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One reason for the change in the number of new HIV cases could be increased education and awareness about HIV prevention, leading to safer practices and less transmission.
