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Because of the speculation that the tuberculosis outbreak in Country X was the result of an outbreak of tuberculosis in Country Y, health officials in Country X have proposed requiring all visitors from Country Y to undergo a medical examination. We are asked to find a choice that suggests that this proposal will not have the desired effect of curbing the spread of tuberculosis in Country X. (A) This has no bearing on the situation between Country X and Country Y.
(B) This suggests only that the proposal would not prevent ALL cases. But even if the proposal does not prevent all cases, it could help prevent many.
(C) This suggests only that the proposal would not catch ALL carriers of the disease from Country Y. But even if the proposal does not prevent all cases, it could help prevent many.
(D) CORRECT. This suggests that the visitors from Country Y are not the source of the disease. Thus, testing them would likely do little to curb the spread of the disease.
(E) This does not suggest that the proposal will not help curb the spread of the disease. If the visitors from Country Y are indeed carriers, then their refusal to visit Country X will help curb the disease.
The question is about curbing : reducing/preventing and not eliminating. When we use the phrase human contact in communicable diseases, we are not limited to physical contact, but presence of a human in the vicinity. While this might not eliminate TB, it would definitelt prevent/reduce its spread. Hence D is correct
a) Country Z, which also neighbors Country Y, has not experienced an increase in cases of tuberculosis. ( NR ) b) Current medical technology is not capable of detecting all carriers of tuberculosis. ( NR ) c) Country X does not have the resources to examine all visitors from Country Y. ( it is about curbing the spread, not eradicating it, so this point doesnt matter. ) d) Tuberculosis is not spread through human contact. ( Incase Tuberculosis is not spread through human contact, the proposal is not sensible , Best Answer ) e) Citizens of Country Y will not travel to Country X if the proposal is implemented. ( NR :- Not Relevant)
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