The document discusses how the COVID-19 pandemic highlighted the globalization and interconnectedness of the US healthcare system. It notes that early in the pandemic, the US faced shortages of personal protective equipment and medical supplies due to disruptions in the global supply chain. Further, it outlines how the US relies on other countries, especially China, for manufacturing of drugs, devices, and components essential to modern healthcare. The pandemic also demonstrated how telemedicine has allowed other nations like India to provide remote services to US providers, and how medical tourism allows US citizens to access lower-cost procedures abroad.