It was but it became more mask resistant over time. Putting on masks in Jan 2020 could have made a huge difference instead of waiting until mid year to say mas

It was but it became more mask resistant over time. Putting on masks in Jan 2020 could have made a huge difference instead of waiting until mid year to say mask, and then say mask with an n95. Obviously, there's a preparedness issue which is probably the base root of that issue, but early enthusiastic masking instead of trying to send all the construction workers home probably would have gone a lot farther.