“Fourth Wave” Driven Primarily by Delta and New Omicron Data
Felicia Rodriguez
December 3, 2021
Via: https://www.biospace.com/article/omicron-is-worrisome-but-delta-is-a-problem-right-now-and-other-covid-19-stories/ Dec 03, 2021 By Mark Terry Two years into the COVID-19 pandemic and countries are reporting what might be called the fourth wave of rising cases, driven mainly by the Delta variant, although Omicron has everybody concerned. Here’s a look. Omicron Variant At Least