Dr Parirenyatwa vanoti vari kumiganhu neSouth Africa vangwarire chirwere cheListeria chinowanikwa munyama yepolony nemavienna sausages idzo dziri kugadzirwa neimwe kambani iri kuPolokwane kuSouth Africa. Vati hakuna munhu ati asangana nedambudziko iri muZimbabwe kunyangwe vamwe vakafa kuSA.