Data are expressed in number, percentage and crude Risk Ratios – 95% confidence interval (bivariate analysis).RR, risk ratios; CI, confidence interval; BMI, body mass index; CD, caesarean delivery; ce
Previous SARS-CoV-2 research indicates that antibody levels and corresponding neutralization potential increase with additional exposures (comprising vaccination or infection), and that hybrid immunit
Data are expressed in number, percentage and crude Risk Ratios – 95% confidence interval (bivariate analysis). RR, risk ratios; CI, confidence interval; BMI, body mass index; CD, caesarean delivery; c