Figure 2.

Vaccine effectiveness against severe maternal complications or death by time after vaccination, according to type of vaccine during the time of omicron (B.1.1.529) as a variant of concern (all doses combined)

Sample size differences with Table 1, Table 2 are due to missing information on the date of the last vaccine dose and type of vaccine or booster. Severe maternal complications include severe COVID-19 symptoms or referral to a higher level of care or admission to hospital during pregnancy for either respiratory disease or respiratory tract infection requiring antibiotic or antiviral treatment or intensive care unit admission.