Pfizer raises 2021 COVID-19 vaccine sales forecast to $33.5 billion Pfizer Inc (PFE.N) on Wednesday raised its forecast for full-year sales of the COVID-19 vaccine that it developed with Germany's BioNTech by nearly 29% to $33.5 billion, as nations stock up on doses for the rest of the year. Pfizer says third vaccine shot 'strongly' boosts immune response against delta variantPfizer said Wednesday that a third dose of its COVID-19 vaccine "strongly" boosts the immune response against the delta variant. The billion-dollar COVID booster discussionPfizer has a financial interest in advocating for boosters. Pfizer expects $33.5 billion revenue this year from its COVID-19 vaccineStrong sales help New York firm nearly double its second-quarter revenue Pfizer sold $7.8B in COVID vaccines in 2Q, predicts more Delta-driven demandPfizer sold a staggering $7.8 billion worth of coronavirus jabs during the second quarter — and predicted its profits will continue to explode as the Delta variant spurs fresh demand for booster sh… Citing New Data, Pfizer Outlines Case for Booster ShotsPfizer’s coronavirus vaccine may become slightly weaker over time, the company reported. But experts said that most people won’t need boosters anytime soon.