Pharmaceutical giant Pfizer confirmed it will be closing down two of its facilities in North Carolina amid a cost-cutting initiative after it revealed that sales of its COVID-19 vaccine and other products would see a drop.

The company told multiple local media outlets that it would be closing its sites in Durham and Morrisville, saying the closures are part of an effort “to operate more efficiently and effectively.” It’s not clear how many workers would be impacted or laid off.