Data from my extended friend network suggests that a prior COVID infection reduces the risk of catching the latest variant (BA5) by around 4x.

COVID will likely become endemic, but we can stay one step ahead of it.

What I learned from surveying my social circle about their experience with Omicron

The new, more infectious B117 variant of COVID is a big deal, and it will significantly impact what the US will look like over the next few months.

I'm surprised and saddened that almost a year into the pandemic, the US still doesn't seem to have a good sense for how to fight it from a public policy perspective. Much of the US’s policy apparatus is in a state of partial or full denial, and has made terrible decisions as a result.

A deeper dive into why masks work, looking at evidence from national policies, controlled trials, and lab analysis.

We need to learn from the countries that defeated SARS!