Table 6.

Median duration from peak to peak and inter-quartile range

	Geneva	Lausanne	Berne	Basle	Zurich	Lugano
St Gallen	4.0 [3.1-4.3]	2.1 [1.3-2.7]	0.4 [-0.4-1.5]	-0.5 [-1.3-0.1]	0.0 [-0.6-0.6]	-2.0 [-3.5--0.9]
Lugano	5.8 [4.8-7.1]	4.5 [3.6-5.6]	2.9 [1.7-3.9]	1.8 [0.2-3.0]	2.4 [1.1-3.0]
Zurich	3.9 [3.0-4.6]	2.2 [1.2-3.0]	0.5 [-0.1-1.4]	-0.7 [-1.3-0.3]
Basle	4.6 [3.0-5.4]	2.7 [1.6-3.7]	1.1 [0.1-2.1]
Berne	3.1 [2.4-4.0]	1.7 [0.8-2.4]
Lausanne	1.4 [1.1-2.0]

The epidemic curves were smoothed with a moving average of five days for identifying stable peak days.