People who have received the Pfizer COVID-19 vaccine are “likely” to need a third dose sometime within a year after being fully vaccinated. “A likely scenario is that there will be likely a need for a third dose, somewhere between six and 12 months and then from there, there will be an annual revaccination,” CEO Albert Bourla said during an online event on April 15. “But all of that needs to be confirmed. And again, the variants will play a key role,” he said. “We need to see what would be the sequence, and for how often we need to do that, that remains to be seen.” Bourla also said it “is extremely important to suppress the pool of people that can be susceptible to the virus.” Both the Pfizer and Moderna vaccines require two shots, while the Johnson & Johnson vaccine requires one. U.S. health agencies this week recommended …