June COVID Updates

Omicron typical transmission 3 days:

Serial Intervals and Household Transmission of SARS-CoV-2 Omicron Variant, South Korea, 2021Emerg Infect Dis. (2022 Apr)


Thread on false negatives:

Still a LOT of confusion about “False Neg (FN)” results on PCR (& rapid)


Like a pregnancy test ANY test will be Neg if used too soon


PCR swab w/in 1 day of exposure may have a 95% FN rate


Within 2 days may be 60% False Neg


3 days 30%


by 4-5 days MOST ppl will turn pos


Gear up for another COVID summer:

BA.4 and BA.5 viruses are more than four times as likely to escape antibodies in people who’ve been vaccinated and boosted compared with BA.2 viruses

New variants are poised to keep Covid-19 circulating at high levels throughout the summer


Even mild cases can result in brain fog:

Mild respiratory COVID can cause multi-lineage neural cell and myelin dysregulation, Fernandez-Casteneda et al (2022)

–> found cognitive impairment similar to chemo patients

By Tracy Durnell

Writer and designer in the Seattle area. Freelance sustainability consultant. Reach me at She/her.

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