As case numbers rise and worries about the omicron variant take hold, both at-home and PCR tests may be harder to come by.
Liz Stuart is quoted at NBCNews.com.
Covid testing demand spikes ahead of holidays, with long lines at sites
![Stuart](https://popcenter.jhu.edu/files/2020/09/ElizabethStuart-Photo-SocialMedia-1.jpg)
As case numbers rise and worries about the omicron variant take hold, both at-home and PCR tests may be harder to come by.
Liz Stuart is quoted at NBCNews.com.