Molecular Epidemiology of GI.3 Norovirus Outbreaks from Acute Gastroenteritis Surveillance System in Taiwan, 2015–2019

Table 2

Positive selection analysis using SLAC, FEL, and MEME methods.

Positive selection sites
Data set	Mean dn/ds	SLAC^a ( value)	FEL^b ( value)	MEME^c ( value)
VP1	0.056		377 (0.055)	20 (0.03)	302 (0.03)
			505 (0.084)	377 (0.07)	505 (0.00)
				508 (0.07)	528 (0.00)
				532 (0.04)
RdRp	0.035	82 (0.09)		43 (0.03)	111 (0.01)

^aSLAC: single likelihood ancestor counting: codons with value < 0.1. ^bFEL: fixed-effects likelihood: codons with value < 0.1. ^cMEME: mixed-effects model of evolution: codons with value < 0.1.