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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Overcast with mist, hill fog and intermittent rain in north. Then gradual improving with some pleasant brighter intervals developing.
A misty, murky and damp morning for many, with a little patchy drizzle possible. It should brighten up slowly in the afternoon.
Cloudy with occasional light rain, and fog, especially over hills.