Business News Britain to test combining Pfizer, AstraZeneca vaccines in two-shot regimen Trial to examine immune responses of an initial dose of Pfizer vaccine followed by AstraZeneca shot. Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window) Related UAE: Sheikh Mohamed hails commitment to open dialogue Covid-19: Israel PM postpones UAE, Bahrain trip due to lockdown
