inclusion criteria: * pregnant women up to 32 weeks of gestational age * aged 18 years or older\* * willing to deliver at the recruitment health facilities * in mozambique, in case of age below 18 years, the participant will be asked for the assent and the informed consent will be given by the legal tutor in accordance with the national regulations.

inclusion criteria: * pregnant women up to 32 weeks of gestational age * aged 18 years or older\* * willing to deliver at the recruitment health facilities * in mozambique, in case of age below 18 years, the participant will be asked for the assent and the informed consent will be given by the legal tutor in accordance with the national regulations.

inclusion criteria: pregnant women up to 32 weeks of gestational age aged 18 years or older* willing to deliver at the recruitment health facilities in mozambique, in case of age below 18 years, the participant will be asked for the assent and the informed consent will be given by the legal tutor in accordance with the national regulations.

inclusion criteria: pregnant women up to 32 weeks of gestational age aged 18 years or older* willing to deliver at the recruitment health facilities in mozambique, in case of age below 18 years, the participant will be asked for the assent and the informed consent will be given by the legal tutor in accordance with the national regulations.

inclusion criteria: - pregnant women with a positive sars-cov-2 antigen test and a confirmatory positive sars-cov-2 pcr test.

inclusion criteria: - pregnant women with a positive sars-cov-2 antigen test and a confirmatory positive sars-cov-2 pcr test.