Created at	Source	Raw Value	Validated value
April 23, 2021, 12:45 a.m.	oms	The immune response to immunisation with a heterologous or homologous boost of a COVID-19 vaccine in participants seronegative to SARS CoV-2 nucleocapsid IgG at enrolment; measured with immunogenicity (quantity of anti-spike immunoglobulins measured with ELISA) at Day 28	The immune response to immunisation with a heterologous or homologous boost of a COVID-19 vaccine in participants seronegative to SARS CoV-2 nucleocapsid IgG at enrolment; measured with immunogenicity (quantity of anti-spike immunoglobulins measured with ELISA) at Day 28