Table 1.

Asymmetric migration rates of Alpha B.1.1.7 variant of SARS-CoV-2 virus between pairwise geographic locations

Location	Battambang	Kampong	Kandal	Meanchey	Other	PSRKM	Phnom Penh	SE Cam	SW Cam	Siem Reap	SE Asia
Battambang	–	0.3	0.27	0.64a	0.23	0.25	0.44	0.31	0.66a	0.49	0.7
Kampong	0.3	–	0.83a	0.43	0.23	0.32	0.33	0.53	0.37	0.41	0.52
Kandal	0.33	0.36	–	0.32	0.27	0.35	0.36	0.36	0.33	0.31	0.32
Meanchey	0.37	0.45	0.26	–	0.27	0.31	0.57	0.72a	0.34	0.37	0.73
Other	0.08	0.08	0.09	0.08	–	0.08	0.34b	0.09	0.09	0.18	1.87b
PSRKM	0.31	0.29	0.31	0.3	0.28	–	0.31	0.29	0.3	0.48	0.31
Phnom Penh	1.36b	3.56b	1.32b	1.18b	0.12	0.79b	–	2.13b	2.16b	1.74b	0.34
SE Cam	0.26	0.29	0.29	0.27	0.23	0.27	0.34	–	0.4	0.26	0.38
SW Cam	0.72a	0.29	0.29	0.36	0.28	0.31	0.36	0.61	–	0.47	0.57a
Siem Reap	0.58	0.32	0.27	0.54a	0.25	0.58	0.73a	0.28	0.82a	–	0.45
SE Asia	0.18	0.17	0.18	0.19	0.34	0.16	0.48	0.34b	0.17	0.25	–

Other rest of world, PSRKM represents 5 provinces (Preah Vihear, Stung Treng, Ratanakiri, Kratie and Mondulkiri), SE Cam Southeast Cambodia, SW Cam Southwest Cambodia, SE Asia Southeast Asia.

^aDenotes moderate support with Bayes Factor of 3–99.

Bold numbers and ^bdenote strong support with Bayes Factor ≥100.