Omicron producing variants 70 X faster than Delta
An Evolving COVID-19—Omicron’s Unfolding, Mutating Presence Worldwide
..."we see far more breakthrough infections as well as reinfections despite someone’s previous COVID-19 infection."
- from study; Lung tissue study sheds light on fast Omicron spread - Dec 2021 📄 PDF
"Multiple studies demonstrate benefits, such as a University of Science and Technology, Hong Kong study suggesting that what was considered full vaccination (two doses) provides a person 30 to 40% protection against infection (this is way down from previous strains) and approximately 70% protection against hospitalization. "
See also Virus mutations (BA: .2, .4, .5, .2.12.1) can be more infectious and ignore previous immunity – May 1, 2022
VitaminDWiki – COVID-19 treated by Vitamin D - studies, reports, videos
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