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 intercourse, where bodily fluids are exchanged.
Step 2
Describe the trends shown in Table 8 between 2010 and 2018.
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Answer
From 2010 to 2018, the number of new HIV cases in women decreased overall from 376 in 2010 to 242 in 2018. Meanwhile, the number of new HIV cases in men also decreased, starting from 2266 in 2010 and falling to 1288 by 2018. After an initial increase, both trends show a decline in cases.
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 decrease in new HIV cases between 2014 and 2018 could be better education and awareness about HIV, leading to increased prevention measures.
