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Senior Manager
Joined: 19 Apr 2008
Posts: 325
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Lofgren s disease has been observed frequently in [#permalink]
27 Jun 2008, 16:49
Question Stats:
0% (00:00) correct
100% (02:53) wrong based on 1 sessions
Lofgren’s disease has been observed frequently in commercially raised cattle but very rarely in chickens. Both cattle and chickens raised for meat are often fed the type of feed that transmits the virus that causes the disease. Animals infected with the virus take more than a year to develop symptoms of Lofgren’s disease, however, and chickens commercially raised for meat, unlike cattle, are generally brought to market during their first year of life. Which of the following is most strongly supported by the information provided?
A. The virus that causes Lofgren’s disease cannot be transmitted to human beings by chickens.
B. There is no way to determine whether a chicken is infected with the Lofgren’s disease virus before the chicken shows symptoms of the disease.
C. A failure to observe Lofgren’s disease in commercial chicken populations is not good evidence that chickens are immune to the virus that causes this disease.
D. An animal that has been infected with the virus that causes Lofgren’s disease but that has not developed symptoms cannot transmit the disease to an uninfected animal of the same species.
E. The feed that chickens and cattle are fed is probably not the only source of the virus that causes Lofgren’s disease.
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Current Student
Joined: 28 Dec 2004
Posts: 3437
Location: New York City
Schools: Wharton'11 HBS'12
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Re: CR:Lofgren’s disease [#permalink]
27 Jun 2008, 16:59
I think C is best...
B says something close..but is too extreme
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Re: CR:Lofgren’s disease
[#permalink]
27 Jun 2008, 16:59
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