Smallpox is a disease in which
A. transmission occurs only by direct skin contact with skin crusts.
B. fever, malaise, rash, possible toxemia and shock occurs.
C. recurrent episodes are called shingles.
D. virus becomes latent in ganglia of sensory neurons.
E. All of the choices are correct.
Answer: B
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One of the following enzymes found in some bacteria which can break down toxic hydrogen peroxide into water and oxygen is
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