Table 2. Comparison of amino acids encoded by the envelope protein 1 gene of chikungunya virus strains isolated in this study with those of reference strains previously circulating in Myanmar and neighboring countries.

Strain	Amino acid position
	208	209	210	211	212	213	214	215	216	217	218	219	220	221	222	223	224	225	226	227	228	229	230
MN552435/Mdy86/Myanmar/2019*	P	E	S	E	D	V	Y	A	N	T	Q	L	V	L	Q	R	P	A	A	G	T	V	H
MN552436/Mdy66/Myanmar/2019*	P	E	S	E	D	V	Y	A	N	T	Q	L	V	L	Q	R	P	A	A	G	T	V	H
MN532437/Mdy192/Myanmar/2019*	P	E	S	E	D	V	Y	A	N	T	Q	L	V	L	Q	R	P	A	A	G	T	V	H
MN532438/Mdy176/Myanmar/2019*	P	E	S	E	D	V	Y	A	N	T	Q	L	V	L	Q	R	P	A	A	G	T	V	H
MN552439/Mdy153/Myanmar/2019*	P	E	S	E	D	V	Y	A	N	T	Q	L	V	L	Q	R	P	A	A	G	T	V	H
MN552440/Mdy124/Myanmar/2019*	P	E	S	E	D	V	Y	A	N	T	Q	L	V	L	Q	R	P	A	A	G	T	V	H
MN552441/Mdy542/Myanmar/2019*	P	E	S	E	D	V	Y	A	N	T	Q	L	V	L	Q	R	P	A	A	G	T	V	H
KF590567/Mandalay/Myanmar/2010	P	E	S	K	D	V	Y	A	N	T	Q	L	V	L	Q	R	P	A	V	G	T	V	H
KF590565/Mandalay/Myanmar/2010	P	E	S	K	D	V	Y	A	N	T	Q	L	V	L	Q	R	P	A	V	G	T	V	H
MN114295/Thailand/2019	P	E	S	K	D	V	Y	A	N	T	Q	L	V	L	Q	R	P	A	A	G	T	V	H
MN114293/Thailand/2019	P	E	S	K	D	I	Y	A	N	T	Q	L	V	L	Q	R	P	A	V	G	T	V	H
MN114344/Thailand/2019	P	E	S	E	D	V	Y	A	N	T	Q	L	V	L	Q	R	P	A	A	G	T	V	H
MK848202/Thailand/2018	P	E	S	E	D	V	Y	A	N	T	Q	L	V	L	Q	R	P	A	A	G	T	V	H
FJ807895/Malaysia/2009	P	E	S	E	D	V	Y	A	N	T	Q	L	V	L	Q	R	P	S	A	G	T	V	H
MG516711/Karachi/Pakistan/2016	P	E	S	E	D	V	Y	A	N	T	Q	L	V	L	Q	R	P	S	A	G	T	V	H
MK473631/India/2016	P	E	S	E	D	V	Y	A	N	T	Q	L	V	L	Q	R	P	A	A	G	T	V	H
MG912993/China/2017	P	E	S	E	D	V	Y	A	N	T	Q	L	V	L	Q	R	P	A	A	G	T	V	H
MK120198/Italy/2017	P	E	S	E	D	V	Y	A	N	T	Q	L	V	L	Q	R	P	A	A	G	T	V	H

*Strains isolated in this study.