Question at position 40 Which of the following is true is about R0 (R-naught)?Used to estimate the degree of communicability of a diseaseRepresents, on average, the number of people that a single infected person can be expected to transmit that disease toImportant for classifying a threat as a pandemicTwo of these

Question

BlackTom AI · Accepted Answer

Here are the statements about R0 (R-naught) and whether they are true or false.
Option 1: 'Used to estimate the degree of communicability of a disease' — This is generally accurate. R0 is a metric that helps gauge how contagious an infectious disease is by indicating the average number of secondary cases produced by one infected individual in a completely susceptible population. It informs the potential for spread and, indirectly, the communicability of the disease.
Option 2: 'Represents, on average, the number of people that a single infected person can be expected to transmit that disease to' — This is a precise description of R0. It quantifies the expected number of secondary infections caused by one case in a fully susceptible group, on average.
Option 3: 'Important for classifying a threat as a pandemic' — This is misleading. While R0 provides information about transmissibility, pandemic classification involves broader criteria such as geographic spread, case counts, severity, and ongoing transmission in populations. R0 alone does not determine pandemic classification.
Option 4: 'Two of these' — Given that both Option 1 and Option 2 accurately describe aspects of R0, this combined statement is true in the sense that there are two true statements among the options. However, note that the broader interpretation depends on how the question treats 'two of these' as a selectable answer and on how one interprets the completeness of each description.

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