Read on Twitter
"Reopening schools causes R transmission rate to surge, study suggests"
"Transmission rises by 24% within a month of children returning to classrooms, models using data from 131 countries show"
1/
https://www.thelancet.com/journals/laninf/article/PIIS1473-3099(20)30785-4/fulltext https://www.independent.co.uk/news/science/coronavirus-r-rate-school-closures-lockdown-lancet-study-b1251617.html
"Transmission rises by 24% within a month of children returning to classrooms, models using data from 131 countries show"
1/
https://www.thelancet.com/journals/laninf/article/PIIS1473-3099(20)30785-4/fulltext https://www.independent.co.uk/news/science/coronavirus-r-rate-school-closures-lockdown-lancet-study-b1251617.html
AB: Switch to a faster exponential growth happened ~Sept 17
After reopening schools and before Thanksgiving
Note: This doesn't prove causation
However, *if* schools would cause the surge, this is exactly the time when one would expect to see a change in the rate of spread
2/
After reopening schools and before Thanksgiving
Note: This doesn't prove causation
However, *if* schools would cause the surge, this is exactly the time when one would expect to see a change in the rate of spread
2/
What we see in Alberta is consistent with what was observed in other jurisdictions:
"It took a median of ... 17 days [14-20] following relaxation to observe 60% of the maximum increase in R"
(growth rate and R are linked with each other)
3/ https://www.thelancet.com/journals/laninf/article/PIIS1473-3099(20)30785-4/fulltext
"It took a median of ... 17 days [14-20] following relaxation to observe 60% of the maximum increase in R"
(growth rate and R are linked with each other)
3/ https://www.thelancet.com/journals/laninf/article/PIIS1473-3099(20)30785-4/fulltext
