You've probably heard about the basic reproduction number, R0, or R-naught.

你可能听说过“基本传染数”，即R0，或R-naught。

Okay, so the calculator on my left-I'm going to assume 1.3 as the basic reproduction number.

好，我左边的计算器，我将假设基本传染数为1.3。

So I've got two calculators, because I'm going to do the two different basic reproduction numbers, the R-naughts, together.

我拿出了两个计算器，因为我要同时算两种不同基本传染数。

Now, you've probably heard about the basic reproduction number, R0, or R-naught.

现在，您可能听说过基本再生数 R0 或 R-naught。

So we often define R at the start of the outbreak, when nearly everyone is in the susceptible group, and we call it the basic reproductive number or R naught.

所以我们通常在疾病爆发之初定义 R，那时几乎每个人都属于易感人群，我们称之为基本传播数或 R0。