実じっ効こう再さい生せい産さん数すう

noun

effective reproduction number

Epidemiological term; the average number of secondary cases per infectious case in a population with current interventions and immunity. Often abbreviated as Rt.

• 実じっ効こう再さい生せい産さん数すうが1を下した回まわれば、感かん染せんは収しゅう束そくに向むかう。

  If the effective reproduction number falls below 1, the outbreak will start to subside.

• 専せん門もん家かは実じっ効こう再さい生せい産さん数すうの推すい移いを注ちゅう視ししている。

  Experts are closely monitoring the trend of the effective reproduction number.