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Variant Creutzfeldt-Jakob disease (vCJD) is a prion disease of cattle - VCE - SSCE Biology - Question 34 - 2020 - Paper 1
Question 34
Variant Creutzfeldt-Jakob disease (vCJD) is a prion disease of cattle. It is sometimes called mad cow disease. It can be caused by feeding cattle food that contains ... show full transcript
Worked Solution & Example Answer:Variant Creutzfeldt-Jakob disease (vCJD) is a prion disease of cattle - VCE - SSCE Biology - Question 34 - 2020 - Paper 1
Step 1
vCJD
Answer
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Prevent all cattle that show symptoms of mad cow disease from reproducing. This measure helps to control the propagation of the disease within cattle populations.
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Test all cattle for the presence of the prions. Regular testing can identify infected cattle before they enter the food supply.
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Destroy all cattle that have been fed infected food containing the prions. This action prevents contaminated meat from reaching consumers.
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Stop selling cattle meat. Halting the sale of cattle meat prevents the risk of human exposure to vCJD.
Step 2
Yellow fever
Answer
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Remove breeding grounds for mosquitoes. This can significantly reduce mosquito populations and hence the risk of transmitting yellow fever.
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Ensure that all healthcare professionals wear gloves when working with infected patients. This protects healthcare workers and minimizes the risk of spreading the virus.
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Ensure that people take measures to reduce their chances of being bitten by mosquitoes. This can include wearing protective clothing and using insect repellent.
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Instruct people who are infected with yellow fever to wear masks in public places. This helps to minimize the risk of spreading the virus to others.