Listeria can make people sick up to two months after they eat or drink contaminated products, which can pose a challenge in identifying the source of illness quickly, experts say.
The Canadian Paediatric Society's new position statement focuses on non-IgE-mediated cow’s milk protein allergy, the most common allergy in children under three.
As the sugar substitute is sometimes recommended for obesity control, authors call for immediate further study of xylitol and its possible side-effects.
