Pfizer-BioNTech to test combined Covid and flu vaccine
US approves Pfizer and Moderna vaccines for youngest children
US authorizes Pfizer vaccine for children
Moderna vaccine edges Pfizer in new US research
EU to have enough vaccines for 70% of adults 'in July'
Pfizer CEO: COVID vaccine to become easier to ship, store
EU will have vaccine doses for 70% of adults by mid-July
Kuwait to receive 7th Pfizer vaccine batch next week
Pfizer or Sinopharm? 'Vaccine diplomacy' in the Middle East