nominally significantp = 0.049
For the participants with past history of COVID-19, there was a nominally significant increase in GMT at 21-days after second dose (p = 0.049) compared to 21-days after first dose (baseline value), and no significant difference noted compared to baseline value at 3-months (p = 0.26) and 6-months (p = 0.15) after the second dose.