Rebuttal to Study on SF Plastic-bag Ban and Foodborne-illness

Here is a rebuttal to something I posted not too long ago on potential harm from banning plastic bags (via Tim Taylor):

San Francisco plastic-bag ban associated with 46% increase in foodborne-illness deaths — Not!

The post at The Berkeley Blog is not very informative -- I'd recommend clicking through to the actual response:

My full memo is here: SF-Health-Officer-MEMO-re-Reusable-Bag-Study_V8-FIN

The Klick study I read is here: SSRN-id2196481