Symptomless cases in schools could be key driver in spread of Covid-19

Up to 70% of schoolchildren infected with coronavirus may not know they have it until after a positive test resultWhen will vaccines bring results?Coronavirus – latest updatesSee all our coronavirus coverageA key factor in the spread of Covid-19 in schools issymptomless cases. Most scientists believe that between 30% and 40% of adults do not display any Covid symptoms on the day of testing, even if they have been infected. For children, however, this figure is higher.“It is probably more like 50% for those in secondary school while for boys and girls in primary school, around 70% may not be displaying symptoms even thoughthey have picked up the virus, ” says Professor Michael Hibberd of the London School of Hygiene and Tropical Medicine.Continue reading...
Source: Guardian Unlimited Science - Category: Science Authors: Tags: Coronavirus Children Young people Schools Infectious diseases Medical research Microbiology Science Society Education UK news World news Source Type: news