WATCH: Israel’s Bio-Fence spray kills viruses for weeks after application May 13, 2020 Tweet WhatsApp Email https://worldisraelnews.com/watch-israels-bio-fence-coating-kills-viruses-for-days-and-weeks-after-application/ Email Print Bio-Fence, an Israeli product, has already proven its ability to kill the Covid-19 virus and even the HIV virus, which is considered much tougher, ILTV reports. coronavirusIsraeli startup