Dr David Kirrage from Public Health England says the risk that any child has caught an infection is "negligible", and they and Moreton School in Wolverhampton are working to reassure parents, after 20 pupils were jabbed with a diabetic testing needle.
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Clear spells and breeze easing.
Mostly dry with clear spells overnight.
As Birmingham bids for the Commonwealth Games, we have been looking at sporting venues in the city which could be involved in the event.