Real-world data shows increased reactogenicity in adults after heterologous compared to homologous prime-boost COVID-19 vaccination, March−June 2021, England
Powell, Annabel A and Power, Linda and Westrop, Samantha and McOwat, Kelsey and Campbell, Helen and Simmons, Ruth and Ramsay, Mary E and Brown, Kevin and Ladhani, Shamez N and Amirthalingam, Gayatri, Eurosurveillance, 26, 2100634 (2021), https://doi.org/10.2807/1560-7917.ES.2021.26.28.2100634