Created at	Source	Raw Value	Validated value
July 26, 2022, 2:30 p.m.	usa	The immune response after heterologous boost fourth dose of COVID-19 vaccines after homologous prime-boost AZD1222 vaccination;The immune response after heterologous boost third dose of COVID-19 vaccines after homologous prime-boost AZD1222 vaccination;The immune response after heterologous boost third dose of COVID-19 vaccines after homologous prime-boost AZD1222 vaccination;The immune response of breakthrough infection after heterologous boost third dose of COVID-19 vaccines after homologous prime-boost AZD1222 vaccination	The immune response after heterologous boost fourth dose of COVID-19 vaccines after homologous prime-boost AZD1222 vaccination;The immune response after heterologous boost third dose of COVID-19 vaccines after homologous prime-boost AZD1222 vaccination;The immune response after heterologous boost third dose of COVID-19 vaccines after homologous prime-boost AZD1222 vaccination;The immune response of breakthrough infection after heterologous boost third dose of COVID-19 vaccines after homologous prime-boost AZD1222 vaccination
Nov. 25, 2021, 9 p.m.	usa	The immune response after heterologous boost third dose of COVID-19 vaccines after homologous prime-boost AZD1222 vaccination;The immune response after heterologous boost third dose of COVID-19 vaccines after homologous prime-boost AZD1222 vaccination;The immune response after heterologous boost third dose of COVID-19 vaccines after homologous prime-boost AZD1222 vaccination	The immune response after heterologous boost third dose of COVID-19 vaccines after homologous prime-boost AZD1222 vaccination;The immune response after heterologous boost third dose of COVID-19 vaccines after homologous prime-boost AZD1222 vaccination;The immune response after heterologous boost third dose of COVID-19 vaccines after homologous prime-boost AZD1222 vaccination