The CEO of pharmaceutical giant Pfizer said that a third COVID-19 vaccine is “likely” within one year of receiving the second one. “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, but all of that needs to be confirmed. And again, the variants will play a key role,” CEO Albert Bourla said in a TV interview Thursday. “But all of that needs to be confirmed,” Bourla continued to say. “We need to see what would be the sequence, and for how often we need to do that, that remains to be seen,” he added. Bourla also asserted that 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 …