{"product_id":"9780132102254","title":"How Do Microorganisms Become Dangerous Pathogens","description":"\u003cp\u003eThis Element is an excerpt from \u003ci\u003eGerms, Genes, \u0026amp; Civilization: How Epidemics Shaped Who We Are Today\u003c\/i\u003e (9780137019960) by David P. Clark. Available in print and digital formats.  \u003cbr\u003e\u003c\/p\u003e\u003cp\u003eMeet the \"opportunists\": the microbes that are poised on the edge of invading you right now.  \u003cbr\u003e\u003c\/p\u003e\u003cp\u003eConsider disease from the microbe's viewpoint. Infectious agents vary greatly in their ability to cause harm. Before discussing \"professional\" diseases, don't forget the \"opportunists.\" When a person is weakened by injury, exposure, or starvation, or if the immune system is malfunctioning, otherwise harmless microbes may cause disease. Such opportunistic diseases have received much attention in connection with AIDS.\u003c\/p\u003e","brand":"Pearson Education","offers":[{"title":"Default Title","offer_id":47071578849520,"sku":"9780132102254","price":1.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0737\/7593\/9824\/files\/9780132102254_p0.jpg?v=1763640303","url":"https:\/\/shop-qa.barnesandnoble.com\/products\/9780132102254","provider":"Barnes \u0026 Noble (DEV)","version":"1.0","type":"link"}