wellcome to the site shame it has been an unfortunate event that has brought you here , Webmaster has offered you help above best wishes to your family and those effected at these hard and very sad times
never had any problems with mine must be getting contaminated from where its stocked perhaps , besides it has citronella which repells nasties , maybe was old stock or your alergic to the hempcore
ring Defra up and ask if theres any defra approved vet labouritys im sure you could find out , Northern hygene will send kits for same price £30 , so its as locval as a post box