It's hard to believe, but this looks somewhat credible and I recommend reading Mercola's comments.
Overlooked 150 Year Old Household Cleaner a Remedy for Swine Flu?
Posted by: Dr. Mercola
December 15 2009 | 122,276 views
In today’s modern world of medicine the FDA just will not let companies that sell products make medical claims about them unless they have been tested at great expense, and approved as a drug. But this was not always the case.
In a 1924 booklet published by the Arm & Hammer Soda Company, the company starts off saying, “The proven value of Arm & Hammer Bicarbonate of Soda as a therapeutic agent is further evinced by the following evidence of a prominent physician named Dr. Volney S. Cheney, in a letter to the Church & Dwight Company:
“In 1918 and 1919 while fighting the ‘Flu’ with the U. S. Public Health Service it was brought to my attention that rarely any one who had been thoroughly alkalinized with bicarbonate of soda contracted the disease, and those who did contract it, if alkalinized early, would invariably have mild attacks.”