What Happened to our UV-Box?

DayZero has dropped the UV-Box product from its price list. After further research we concluded that we couldn’t guarantee that the UV-C dosage was adequate for disinfecting objects of COVID-19.

Virus Destroying 10 Minute Smartphone Sanitizer

By David Conklin Hammacher Schlemmer’s catalog arrived in the mail a few days ago. I always enjoy leafing through their catalog, and my attention was caught by the product featured on the cover: a UV cellphone sanitizer (“The Virus Destroying 10 Minute Smartphone Sanitizer”, UH-95371, $99.95, details on page 82). Unfortunately, I was unable to […]

How Much UV-C Does It Take to Disinfect SARS-CoV-2?

by Dave Conklin SARS-CoV-2 is the virus which is causing the Covid-19 pandemic. As far as I know, no one has yet determined, by direct measurement, how much UV-C radiation is required to deactivate the SARS-CoV-2 virus. But two recent publications draw inferences about SARS-CoV-2 sensitivity to UV-C from studies of other viruses. A March […]

BBC article: Can you kill coronavirus with UV light?

The British Broadcasting Company (BBC) posted an article on the web in late March titled “Can you kill coronavirus with UV light?“. It explains the differences between UV-A, UV-B, and the UV-C that we use in our DayZero products. It includes these noteworthy sentences: “Though there hasn’t been any research looking at how UVC affects […]

Coronavirus and UV-C

The COVID-19 pandemic is caused by the SARS-CoV-2 coronavirus, in the same group of viruses which caused the SARS epidemic in 2002-4 and the MERS outbreaks in 2015-18.