A robust pipeline of experimental and recently launched drugs could make the next several years exciting ones to be a Pfizer shareholder.

A newly developed vaccine that was found to prevent dangerous immune reactions and life-threatening inflammation in mice could lead to a cure for deadly allergies in humans. The mRNA vaccine prevented allergens from triggering deadly immune reactions in mice, according to a study co-led by Nobel laureate Drew Weissman.

Five months after ending development of its own obesity treatment, Pfizer is accelerating its push into the rapidly growing field with a nearly $5-billion acquisition.

Pfizer has been eager to develop a strong position in this area. This acquisition gives Pfizer a viable obesity drug candidate. Pfizer's share price reflected that incredible success. It nearly tripled in price from March 2020 to December 2021.