A simple solution for the virus?

UPI reports,

A commercially available nasal antiseptic solution “inactivates” COVID-19 just 15 seconds after the coronavirus is exposed to it, effectively preventing the infection from developing, according to a study published Thursday by JAMA Otolaryngology-Head & Neck Surgery.

It works in test tubes, but needs to be proven to work on humans. In theory, it could make my outlandish prediction that we will give up on a vaccine come true. But have we already invested too much financial, political, and cultural capital into “wait for a vaccine” to adopt an alternative?