Animal experiments are closely related to developments in stem cell research which is why ethical committees with both human medical and veterinarian assignments are constantly updating our values and customs to be respected in the field.
Animal experiments also lets us to develop more efficacious drugs, which may be curative if used during the acute phase but which have less a chance if used during the chronic phase of an immune complex disease.
The question of the week at http://knowledgeplus.nejm.org end of january 2017 is:
A 72-year-old woman reports nasal congestion with discolored drainage and headaches for 2 weeks and is started on amoxicillin–clavulanate 875 mg/125 mg twice daily. After 8 days, her symptoms begin to abate, but she starts to experience intermittent fevers to 38.1°C, a serpiginous maculopapular eruption on her legs, and mild joint pain in her hands. The correct answer among 5 possibilities pertains to this page of your
www.immune-complex.ch: Serum Sickness, since, among the other eventualities, this is not a delayed-type hypersensitivity, nor a reaction to clavulanate, nor drug-induced lupus nor IgE-mediated allergy to amoxicillin; thus, a thread is extricated out of the tangled skein.