evidence: A tornado that tore through a Pfizer factory in North Carolina could exacerbate drug shortages. Records obtained by NPR show the plant made dozens of products, including painkillers and anesthetics. [...] OK, to a different extreme weather event - tornadoes, and specifically the tornado that ripped through a critical Pfizer factory in Rocky Mount, N.C., last week. It could mean more drug shortages in a year that has already seen scarcity of Adderall and amoxicillin and chemotherapy drugs and more. NPR pharmaceuticals correspondent Sydney Lupkin has obtained records that show what was being made at this Pfizer facility and who might be affected by the damage. Hey, Sydney. [...] LUPKIN: There are, and they relate to the drug shortages that happened a few years ago when Hurricane Maria hit Puerto Rico. Health economist Rena Conti at Boston University told me this tornado at Pfizer is just another reminder that pharmaceutical factories are vulnerable to climate change. A lot of drug manufacturing requires access to water which puts the factories in harm's way in places like Puerto Rico or the Gulf States.