Table 1.

Distribution of vaccinated participants by sex, vaccine type, and IgG seropositivity.

Vaccine	n			Seropositive		Seronegative
	Females	Males	Total	n	%	n	%
Sputnik V	1874	2282	4156	2988	71.9	1168	28.1
AstraZeneca	479	586	1065	786	73.8	279	26.2
Sinopharm	237	257	494	259	52.4	235	47.6
Sinovac	306	307	613	320	52.2	293	47.8
All vaccines	2896	3432	6328	4353	68.8	1975	31.2