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Two typographical errors in the equations occurred in this paper by Drs Choi and Pak (2003;57:831–5).
| Wrong equation | Correct equation |
|---|---|
| Ct⋅i | Ct⋅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
The predicted total number of cases (C) is
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
The predicted total number of deaths (D) is
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