By Sam Blanchard Senior Health Reporter For Mailonline
Published: 17:37 GMT, 7 November 2019 | Updated: 17:37 GMT, 7 November 2019
Schools will have to reschedule flu vaccines for their pupils because of a supply delay, Public Health England has confirmed.
A quarter of the nasal spray vaccines which are given out in schools will be delivered later than expected.
Pharmaceutical company AstraZeneca said some of its testing processes hadn't worked and that it's had to redo them as a result.
This means some schools will have to reschedule vaccination sessions they had planned for the middle of November.
The NHS says the best time to have the jab – which can protect particularly vulnerable people like the young and old – is in October or November.
GPs have been told to prioritise vulnerable youngsters with underlying conditions, ensuring they are the first to get the nasal spray (stock)
'We are working with AstraZeneca and NHS England and Improvement to ensure that all eligible children get their flu vaccine as soon as possible,' said Public Health England's Dr Mary Ramsay.
'Children who have underlying medical conditions that make them more vulnerable to flu will be prioritised by GPs first.'
This year's flu vaccine may not be