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True. Excessive exposure to sunlight could lead to skin cancer. If you have the flu, you could catch a rare strand that can develop and make it worse. Stress can cause elevated blood pressure, lack of sleep, irritability, and can lower your immune system's defenses, therefore allowing viruses easier access to infecting your body.
Viruses are sometimes triggered into an active state by overexposure to sun, sickness, or stress because viruses become active on finding a suitable host and some times due to favourable condition.Thus, the given statement is true.
What is virus?
A virus is a microscopic organism that serves as infectious agent and replicates only inside the living cells of an organism.
Viruses infect all living organisms such as plants, animals, human beings including bacteria and other microscopic organism.
Virology is the branch of science which deals with the study of viruses.When the virus enters into a infected cell or living cell, viruses exist in the form of independent particles known as virions.
When virus infected a host cell rapid production can be observed and by multiplying rapidly thousands of original copy of viruses are produced.Viruses infect all living organisms such as plants, animals, human beings including bacteria and other microscopic organism.
When the virus enters into a infected cell or living cell, viruses exist in the form of independent particles known as virions.
In open air viruses are non-living but when they entered into a living cell of an organism they become active and reproductive as well.
Therefore, the given statement is true.
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