Unit 23 Reading — Viruses, Epidemics, and Pandemics

US male Listen as you read:
Viruses, Epidemics, and Pandemics
Viruses are strange microscopic organisms that behave unlike most other organisms we know. First, they are much smaller than even bacteria and they are not self-sufficient. Viruses need another living thing, called a host, in order to live and multiply. A virus manipulates its host’s cells into creating more viruses. Thus they are thought to be mostly parasitic in nature.

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Discussion Questions
  • Has there been any serious viral outbreaks since the 2009 H1N1 pandemic? What was it? How did the medical community, press, and public at large respond?
  • If you were a virus, what effect would you have on children, middle-aged people, and the elderly? Would you be a good virus or a bad virus? Is there even such a thing as a good virus? Explain.

Quiz: Reading Comprehension

1. It only takes a miniscule amount of a mutated new strain to severely impact any host:
 
 
2. All microscopic organisms multiply:
 
 
3. The WHO is the leading organization to officially declare a pandemic, depending on its global progression (like on March 11, 2020, the SARS-CoV-2):
 
 
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