How does U.S. reliance on imports lead to PPE shortages?

A CNN investigation recently found that "tens of millions of counterfeit and used nitrile gloves" entered the U.S. during the pandemic. Exactly where they went and how serious the consequences are still investigated, but the revelations thus far about the huge gap in personal protective equipment (PPE) and the potentially dire impact have been enough to shock many Americans. Why has America faced such a huge PPE shortage for so long? Is the Biden administration's response sufficient?

Search Trends