AUTHOR CORRECTION
Volume 4, no. 1, e00254-18, 2019, https://doi.org/10.1128/mSystems.00254-18. Page 4: In Fig. 1A, the unit of measurement on the y axis should be as shown here.
FIG 1.

Volume 4, no. 1, e00254-18, 2019, https://doi.org/10.1128/mSystems.00254-18. Page 4: In Fig. 1A, the unit of measurement on the y axis should be as shown here.
