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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Bright or sunny spells across the region, especially in the morning but occasional showers are likely to develop in the afternoon.
A drier and brighter start to the day, but turning fairly cloudy by afternoon with showers or outbreaks of rain.
ITV News visits the rural county in the wake of the EU referendum result and finds increasing frustration with Britain's political leaders.