Only a small number of children at a predominantly Muslim primary school in Leicester took up the offer of a flu vaccine after it emerged it contained a pork gelatine.
Muslims and Jews are not allowed to eat certain animal products for religious reasons. But health officials say they did consult faith groups before developing the nasal vaccine for children.
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Prayers will be held at 9am at Small Heath Park, before a day of activities take place.
Light rain tomorrow morning. Rather cloudy.
Patchy rain Sunday morning.