Table 1.

Neutralizing antibody titre against Wuhan-1 strain and different variants of concern.

		Mean	Std. Deviation	Std. Error of Mean	Lower 95% CI of mean	Upper 95% CI of mean
I-I-I	WH-1	201	165	37	123	278
	B.1.1.7	412	446	100	203	620
	B.1.351	284	200	45	191	377
	P.1	414	389	87	231	596
	B.1.617.2	229	189	42	140	317
	C37	308	223	50	203	412
I-I-S	WH-1	1373	725	229	854	1891
	B.1.1.7	2341	1409	446	1333	3349
	B.1.351	1344	709	224	836	1851
	P.1	1444	1452	459	406	2483
	B.1.617.2	1560	798	252	989	2130
	C.37	1539	805	255	963	2115