Countries are virtually never 'unwilling to sell', and there are quite a few different countries out there. PPE shortages in hospitals were because of unpreced

Countries are virtually never 'unwilling to sell', and there are quite a few different countries out there. PPE shortages in hospitals were because of unprecedented demand levels, not because China didn't continue to export it. A country is actually a lot more likely to have problems handling that kind of short term demand shock if it relies entirely on domestic manufacturing