Answer:
B. Viruses
Explanation:
A virus is a microscopic particle that can infect the cells of a biological organism. Viruses can only replicate themselves by infecting a host cell and therefore cannot reproduce on their own.
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The least authoritative data on health and wellness would likely contain a fitness training blog. Answer:B<span>
A blog is a website published on the World Wide Web which contains discrete and informal diary-style text entries.</span>
Anyone can write a blog and a blogger is not required to be accountable for his or her opinions.
One thing that prevents communicable diseases is Vaccination programs.
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