HomeYahoo News - Latest News & HeadlinesOmicron spreads 70 times faster in airways than delta but 10 times slower in lungs Omicron spreads 70 times faster in airways than delta but 10 times slower in lungs 0 AnnyChristine blog's December 15, 2021 from Yahoo News - Latest News & Headlines https://ift.tt/3ysNS0e via IFTTT Newer Older