True or False? Incubation period refers to the time between the start of an infection and the beginning of the period of communicability.
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The incubation period is the time between exposure to an infectious agent and the onset of symptoms of the disease. Show more…
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A measles epidemic occurred in a small community. It was found that the index case was a young girl who had recently traveled outside of the country, during which time she acquired an infection. Upon her return to school, she spread the disease to her classmates who were susceptible to measles. Her classmates then spread the disease to susceptible members of their family and friends. The situation is best described as a propagated epidemic. True or false: During the incubation period, the infectious agent may or may not be transmissible, but in the communicable period, the infectious agent is always transmissible. True False True or false: Knowing the type of agent/organism (i.e., bacteria, virus, metazoa) must be known before any treatment or prevention can begin. True False
Adi S.
Is the question true or false? Chronic infection is associated with a rapid drop in virus that can be isolated.
Indicate whether the following statements are True or False: 1. Viruses can only multiply within the host cell. 2. Communicable infection refers to an infection where the source is contaminated food agents. 3. Endemic disease is a disease that is constantly present in a community within a particular geographic area. 4. Antigens (Ag) are protein substances produced in response to the introduction of any antibody (Ab). 5. Pertussis is an adult disease. 6. Otitis media affects mostly the frontal and maxillary sinuses. 7. Chlamydia trachomatis causes syphilis. 8. Carbuncles are caused by streptococci. 9. Impetigo is caused by staphylococci. 10. An index case is a mode of transmission from a fomite, an animate source that carries and transmits infection.
Sri K.
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