what the WHO thinks - basically more information about transmission in schools is being gathered and it is a growing concern
So early studies did not clearly show transmission in schools
However, information is limited and gathered early in the epidemic — to be interpreted with caution
Adolescents transmit virus as often as adults and more readily than young children
Children with symptoms carry as much virus in the nose, mouth and throat as adults, but for shorter periods
Children show peak respiratory viral load early after symptom onset, followed by a rapid decline.
Prolonged fecal shedding is more common in children than adults; but infectivity of virus in stool is uncertain
Information on age-related infectivity continues to evolve and may change
The risk of outbreaks [ I think they mean transmission in educational settings] rises when community transmission is high
Large outbreaks can occur in specific circumstances
Ø Israel: 178 cases (153 students 12-18 years and 25 staff) in a high school 10 days after reopening;
affected classes were crowded with few measures in place
Ø Georgia, USA: 260 cases among staff and campers (6-19 years) in an overnight camp
Ø In both these instances, prevention measures were weak
• When there is widespread community transmission of SARS-CoV-2 or the number of cases is rising, preventive and protective measures in schools are even more important
Reported outbreaks underscore the importance of rigorous preventive measures in schools when COVID-19 is circulating in the community
Ø Schools should have outbreak prevention and management plans ready before resuming classes
• Closure of schools should be considered only if there is no other alternative [but it seems can certainly be considered]
Ø More caution is necessary regarding secondary... schools and older students compared to primary schools
Community transmission is reflected in the school setting
Ø Public health measures in the community are essential to protect schools from amplifying transmission*
WHO advice on schools
also has lots of advice that we aren't following