4) Write any three ways that can help in preventing a virus infection.
5) What are the types of viruses? Explain any two.
ut a number and display whether it is a
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(4)Good hygiene: the primary way to prevent infections
Wash your hands well. ...
Cover a cough. ...
Wash and bandage all cuts. ...
Do not pick at healing wounds or blemishes, or squeeze pimples.
Don't share dishes, glasses, or eating utensils.
Avoid direct contact with napkins, tissues, handkerchiefs, or similar items used by others.
5)
Based on their host, viruses can be classified into three types, namely, animal viruses, plant viruses, and bacteriophages.
A virus is a small parasite that cannot reproduce by itself. Once it infects a susceptible cell, however, a virus can direct the cell machinery to produce more viruses. Most viruses have either RNA or DNA as their genetic material. The nucleic acid may be single- or double-stranded.
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