US begins testing mixed COVID-19 vaccine regimens
A Phase I/II trial will enrol 150 individuals already vaccinated against COVID-19 with one vaccine and assess the safety and immunogenicity of a booster dose of a different COVID-19 vaccine.
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A Phase I/II trial will enrol 150 individuals already vaccinated against COVID-19 with one vaccine and assess the safety and immunogenicity of a booster dose of a different COVID-19 vaccine.
The investigational SARS-CoV-2 vaccine developed by J&J is now due to start its Phase I/IIa clinical trial at the end of July.