Money Walgreens wants to keep track of coronavirus pandemic, omicron with its new COVID-19 Index January 19, 2022 Mike Snider, USA TODAY Comments Off on Walgreens wants to keep track of coronavirus pandemic, omicron with its new COVID-19 Index Walgreens has its own pandemic tracking tool, the Walgreens COVID-19 Index, which offers state-by-state surveillance of omicron and positivity rates.