Andrew Noymer, an epidemiologist and [associate population health and disease prevention] professor at UC Irvine … attributed the current summer spike to two factors — reopening and the COVID-19 delta variant. However, Noymer added that while the uptick in cases was “predictable” in the reopening of the state’s economy, what is more troubling is the emergence of the COVID-19 Delta variant — among the vaccinated and unvaccinated.
Covid-19 Delta variant, reopening causing upswing in summer spike
Irvine Weekly, July 19, 2021
July 19, 2021