fix r0 in exec summary
@@ -19,7 +19,7 @@ We find:
* This lack of genetic diversity has a parsimonious explanation that the outbreak descends either from a single introduction into the human population or a small number of animal-to-human transmissions of very similar viruses.
* This event most likely occurred in November or early December 2019.
* There has been ongoing human-to-human spread since this point resulting in observed cases.
-* Using estimates of total case count from Imperial College London of several thousand cases, we infer a reproductive number between 1.5 and 3.5 indicating rapid growth in the Nov-Jan period.
+* Using estimates of total case count from Imperial College London of several thousand cases, we infer a reproductive number between 1.8 and 3.5 indicating rapid growth in the Nov-Jan period.
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# [Coronaviruses](https://nextstrain.org/ncov/2020-01-30)
