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The relative humidity is 100% when
Infection
The invasion and multiplication of microorganisms such as bacteria, viruses, and fungi in body tissues, which can cause illness and disease.
HIV
Human Immunodeficiency Virus, a virus that attacks the immune system and can lead to AIDS if not treated.
Viral Infection
An illness or disease caused by viruses, microorganisms that can replicate only inside the living cells of an organism.
Nonspecific Immune Response
A defense mechanism of the body that provides immediate but general protection against any pathogen or foreign substance.
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Q111: Halley's Comet returns about every _ years.<br>A)