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6946599268
6946599268
16.12.2020 • 
English

Read the passage and answer the questions that follow. The Center for Disease Control says the most important way to prevent the transmission of dangerous
diseases is to frequently wash your hands with soap and water and/or use a hand sanitizer. If soap and
water are not available, it is recommended to use a hand sanitizer that contains at least 60 percent
alcohol. Alcohol rubs kill many different kinds of bacteria, including antibiotic resistant bacteria. It also
has high virucidal activity against many different kinds of viruses, including enveloped viruses such as
the flu virus and the common cold virus, though is notably ineffective against the rabies virus. Alcohol
rub sanitizers are not very effective against Norovirus (winter vomiting virus). Alcohol rubs also kill fungi.
University of Virginia Medical School researchers concluded that hand sanitizing is more effective
against fighting the common cold than hand washing.

Based on the context of the passage, what do you think the word
"virucidal" means?

A.It refers to a product that enhances the strength of a virus.
B.It refers to a product that kills viruses.
C.It refers to a product that is ineffective against viruses.
D.It describes a type of virus.

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