Table 1.

Primers used in the OLAs for discriminating between variants tested in this study

PR position	Upstream primer	OLA target	Downstream primer
74	5′-CGGAUAUAAAGCTATAGGTA-3′	74T	5′-CAGTAUTAGTAGGACCTACA-3′
	5′-CGGAUAUAAAGCTATAGGTT-3′	74S
15	5′-ACCCCTCGTCACAATAAAGA-3′	subtype B (15I)	5′-TAGGGGGGCAATTAAAGGAA-3′
	5′-ACCCCTCGTCACAATAAAGG-3′	subtype C (15V)
54	5′-AGGGGGAATTGGAGGTTTTA-3′	wild-type (54I)	5′-TCAAAGTAAGACAGTATGAT-3′
	5′-AGGGGGAATTGGAGGTTTTG-3′	multiresistant (54V)