Biden Doubles Order of J&J One-Shot Covid Vaccine

The transcript discusses the Production Act's role in expediting vaccine production and the collaboration with pharmaceutical companies like Johnson & Johnson, Merck, Pfizer, and Moderna to increase vaccine supply. It highlights the goal of having enough vaccine for every American adult by May and the directive to produce and purchase additional doses. The need for flexibility and preparedness in the face of potential challenges is emphasized, along with the logistical efforts required to vaccinate over 300 million Americans.

Why is maximum flexibility needed in the vaccine production efforts?

What logistical challenge is mentioned regarding the vaccination of Americans?