A spike in cases several fold-higher than pre-pandemic levels have been logged in France and the UK, while Spain and Sweden have also reported rises, the World Health Organization said.
Betsy Curtis, from Northumberland, who has Down s syndrome, was prescribed the drugs last Wednesday after suffering tell-tale signs of the bacterial infection for a week.
EXCLUSIVE: Officials have blamed Covid restrictions for interrupting the spread of Strep A bacteria and viruses, leaving more children susceptible to catching it and becoming poorly.
Camila Rose Burns, from Bolton in Greater Manchester, was admitted to hospital 11 days ago and doctors confirmed she was had the usually-mild bacterial infection.