One Model for the Spread of an Epidemic Is That

question 51

Multiple Choice

One model for the spread of an epidemic is that the rate of spread is jointly proportional to the number of infected people and the number of uninfected people.In an isolated town of 2000 inhabitants, 110 people have a disease at the beginning of the week and 1100 have it at the end of the week.How long does it take for 70% of the population to be infected?

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Definitions:

Purkinje Fibers

Cardiac fibers located in the lateral walls of the ventricles.

Myocardium

The muscular tissue of the heart that contracts to pump blood out of the heart and then relaxes as the heart refills with returning blood.

Endocardium

The innermost layer of the heart's walls, lining the chambers and heart valves.

Capillary Walls

The thin, semi-permeable barriers of capillaries that allow for the exchange of oxygen, nutrients, and waste products between the blood and tissues.