COVID-19 and the vulnerable: How we can help the sick and the elderly

There’s a lot we don’t know about the novel coronavirus that’s shutting down the world. But we do know this: The sick, the elderly, the immune-compromised are particularly at risk. If you or a loved one fall into this category, there are some things you can do to help keep COVID-19 at bay. As Harvard’s Dr. Rob Shmerling points out, it starts with situational awareness.