The National Institutes of Health (NIH) has launched a clinical trial to evaluate the effectiveness of mixing different booster vaccines for the novel coronavirus (COVID-19). NIH notes that the clinical trial will assess adult volunteers who have been fully vaccinated against COVID-19 who will receive booster doses of different COVID-19 vaccines to determine the safety and immunogenicity of mixed booster vaccine regimens. To read the NIH announcement and summary of the launch of a clinical trial to evaluate the effectiveness of mixing different COVID-19 vaccine boosters, use the link below.
https://www.nih.gov/news-events/news-releases/nih-clinical-trial-evaluating-mixed-covid-19-vaccine-schedules-begins