לא מצאתי כלום
אין תוצאות חיפוש עבור: results/People_can_be_immunised_against_a_disease_by_introducing_small_quantities_of_dead_or_inactive_forms_of_the_pathogen_into_the_body_(vaccination)._Vaccines_stimulate_the_white_blood_cells_to__produce_antibodies_that_destroy_the_pathogens.,3,0,7033;7230;7286,0,30,1,tn,1.html