Statement : Some strains of mosquito have become resistant to chloroquine – the widely used medicine for malaria patients. Courses of Action : I. Selling of chloroquine should be stopped. II. Researchers should develop a new medicine for patients affected by such mosquitoes. III. All the patients suffering from malaria should be checked for identification of causal mosquito.

None follows
Only I and III follow
All follow
Only II and III follow E. None of these

The correct answer is: B. Only I and III follow

Explanation:

The statement says that some strains of mosquitoes have become resistant to chloroquine, a widely used medicine for malaria patients. This means that chloroquine is no longer effective in treating malaria caused by these strains of mosquitoes.

Course of action I says that the selling of chloroquine should be stopped. This is a good course of action because it will prevent people from taking a medicine that is not effective in treating their illness.

Course of action II says that researchers should develop a new medicine for patients affected by such mosquitoes. This is also a good course of action because it will provide patients with a new treatment option.

Course of action III says that all patients suffering from malaria should be checked for identification of causal mosquito. This is a good course of action because it will help to identify the strains of mosquitoes that are resistant to chloroquine. This information can then be used to develop new strategies for preventing and treating malaria.

Therefore, only courses of action I and III follow from the statement.

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