Why is Pfizer's rollout of its anti-COVID pill so slow?

In this photo provided by Pfizer, a lab technician visually inspects Paxlovid tablet samples in Freiburg, Germany in December 2021. Studies showed that the first pill to treat the virus led to a nearly 90% reduction in hospitalizations and deaths among patients most likely to get severe disease. (Pfizer via AP) Credit: thomas hansmann.fotograf/AP