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CORRECTION
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Two typographical errors in the equations occurred in this paper by Drs Choi and Pak (2003;57:831–5).

Wrong equationCorrect equation
Ct⋅iCt⋅i = R0t.
Dt⋅i.d = Ct⋅i X F.Dt⋅i+d = Ct⋅i X F.

The complete set of correct equations is therefore:

## PREDICTING THE NUMBER OF SARS CASES

Mathematically, the predicted number of incident cases on day t⋅i, that is, Ct⋅i, where t is time expressed in the number of incubation periods, is

$Math$

The predicted total number of cases (C) is

$Math$

## PREDICTING THE NUMBER OF SARS DEATHS

Mathematically, the predicted number of deaths on day t⋅i+d, that is, Dt⋅i+d, where t is time expressed in the number of incubation periods, is

$Math$

The predicted total number of deaths (D) is

$Math$

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