Any lawsuit would need to pierce the veil of Pfizer's blanket liability protection by showing that they engaged in fraud. The Emergency Use Authorization application used the term for "prevention." In any suit there would be endless wrangling about the meaning of the word "prevention." Did Pfizer know that the vaccines did not stop disease? Does the word "prevention" encompass symptom reduction? Bottom line, a liability / tort lawsuit woud be a "tough row to hoe." There has been some movement on pushing back against the mandates. https://newspress.com/court-orders-air-force-to-not-impose-vaccine-mandate-on-members-with-religious-exemptions/