Best-fit population model | Exponential growth | Exponential growth | Exponential growth | Exponential growth | Exponential growth | Exponential growth |

Mean
*k*^{a} | 5.10×
10^{−5} | 5.77 ×
10^{−5} | 7.40 ×
10^{−5} | 6.11 ×
10^{−5} | 5.57 ×
10^{−5} | 2.39 ×
10^{−4} |

HPD
*k* | 3.00 ×
10^{−6}, 9.16 ×
10^{−5} | 2.89 ×
10^{−6}, 1.07 ×
10^{−4} | 1.33 ×
10^{−6}, 1.70 ×
10^{−4} | 1.14 ×
10^{−5}, 1.09 ×
10^{−4} | 9.48 ×
10^{−6}, 1.00 ×
10^{−4} | 4.67 ×
10^{−5}, 4.28 ×
10^{−4} |

Mean age
(yr) | 739 | 239 | 422 | 494 | 204 | 72 |

HPD age (yr) | 159, 1,589 | 47, 555 | 52,
1,168 | 154, 1,029 | 64, 506 | 26, 152 |

Mean
growth
rate^{b} | NA^{c} | 0.049 | 0.010 | NA | 0.038 | 0.053 |

HPD growth rate | NA | 0.0008,
0.115 | −0.005, 0.031 | NA | 0.004,
0.081 | 0.002, 0.109 |

Mean epidemic doubling time
(λ)
(yr) | NA | 14 | 69 | NA | 18 | 13 |