(ANSA) - ROME, APR 13 - Rome's Spallanzani's hospital is poised to start tests on combining differing types of COVID-19 vaccine, Health Director Francesco Vaia and Lazio Regional Health Chief Alessio D'Amato announced on Tuesday.
The tests will involve 600 volunteers who have had a dose of the AstraZeneca vaccine.
They will be given second doses of the Pfizer or the Moderna or the Sputnik vaccine. (ANSA).
Spallanzani to start tests on combining different vaccines
Trial involving 600 volunteers who had 1st dose of AstraZeneca