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If a certain disease has a basic reproduction number (R0) of 3, how many people

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Question: If a certain disease has a basic reproduction number (R0) of 3, how many people can one infected person potentially infect in a population without immunity? (2023)

Options:

  1. 1
  2. 2
  3. 3
  4. 4

Correct Answer: 3

Exam Year: 2023

Solution: 

If R0 = 3, one infected person can potentially infect 3 other people in a population without immunity.

If a certain disease has a basic reproduction number (R0) of 3, how many people

Practice Questions

Q1
If a certain disease has a basic reproduction number (R0) of 3, how many people can one infected person potentially infect in a population without immunity? (2023)
  1. 1
  2. 2
  3. 3
  4. 4

Questions & Step-by-Step Solutions

If a certain disease has a basic reproduction number (R0) of 3, how many people can one infected person potentially infect in a population without immunity? (2023)
  • Step 1: Understand what R0 means. R0 (basic reproduction number) indicates how many people one infected person can infect in a fully susceptible population.
  • Step 2: Note the value of R0 given in the question, which is 3.
  • Step 3: Realize that if R0 is 3, it means one infected person can infect 3 other people.
  • Step 4: Conclude that in a population without immunity, one infected person can potentially infect 3 other people.
  • Basic Reproduction Number (R0) – R0 represents the average number of secondary infections produced by one infected individual in a completely susceptible population.
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