आबु आनि इबन सिनायाबो(आभिचेनना) फोरमायदों दि- देहानिफ्राय ओंखारनाय एबा सिगारनाय मुवाफोरा गाज्रिनायनि सिगां बुहुमनि गाज्रि मुवाफोरजों गलाय-मोनदेर दानाय सनगेरग्रा बेराम जाहोनो हागौ,नाथाय बियो गुबै जाहोन महरै लायाखैमोन।
Abu Ali ibn Sina (Avicenna) also stated that bodily secretion is contaminated by foul foreign earthly bodies before being infected, but he did not view them as primary causes of disease.