Table 1. Timespans for the different stages of the campaign at each region.

Post-vaccination surveys for Zomba district were carried out intermittently between the rural and urban regions.

Region	Static Point	Door-to-Door	Post-vaccination survey
Urban Blantyre	April 22 –May 23, 2017	April 24 –May 31, 2017	June 2 –June 21, 2017
Urban Zomba	June 10 –June 21, 2017	June 12 –June 21, 2017	Aug. 1 –Aug. 11, 2017
Chiradzulu	July 3 –Oct. 13, 2017	July 3 –Oct. 13, 2017	Jan. 16 –Feb. 9, 2018
Rural Blantyre	July 3 –Dec. 13, 2017	June 28 –Dec. 13, 2017	Feb. 12 –March 13, 2018
Rural Zomba	July 11 –Sept. 29, 2017	July 11 –Sept. 29, 2017	July 31 –Oct. 10, 2017