Original: Another 14th century Andalusian-Arabian physician , Ibn al-Khatib ( 1313 â '' 1374 ) , wrote a treatise called On the Plague , in which he stated how infectious disease can be transmitted through bodily contact and '' through garments , vessels and earrings . ''
Simplified: Another Andalusian-Arabian physician , Ibn al-Khatib ( 1313 â '' 1374 ) in his treatise On the Plague stated how infectious disease can be transmitted through bodily contact and '' through garments , vessels and earrings .