Intressant hur effektivt delta sprids i skolan.
Lärare smittade ner de två närmaste raderna av ungar i klassrummet trots öppna fönster i denna "case study".
I princip alla ungar i skolan kommer hinna smittas under en termin..... Så bered er på mycket vabbande.
Beskrivning
Spread in US schools
Dr. John Campbell45 899 visningar29 aug. 2021
USA, Teacher learned she was positive 2 days later
https://www.washingtonpost.com/health...
Marin County, California, May 19, under 12s
One teacher, not vaccinated, feeling fatigued with some nasal congestion
Worked on, toot of mask for class reading
Air filter, windows open on two walls
6 feet between desks
Learned she was positive two days later
12 of 24 had been infected
6 symptomatic, 6 asymptomatic
Mostly in the two rows closest to her desk
Outbreak spread to other classes