Video: Here's why a COVID-19 vaccine may not be enough
![Credit: CC0 Public Domain covid-19](https://scx1.b-cdn.net/csz/news/800a/2020/30-covid19.jpg)
Shortages of toilet paper earlier this year showed just how fragile our global supply chain is when it is under duress. And as scientists around the world scramble to find a treatment for COVID-19, that fragility may prove to have even more dire consequences.
"It's not going to be sufficient just to get a viable vaccine," says distinguished professor Nada Sanders. A reliable supply of medical components, she says, is just as necessary.