Benchmark testing confirms Made-in-Singapore GK-GermKiller® Concentrate™ is >99.9% effective against SARS-CoV-2 Virus

… of infection of COVID-19 SINGAPORE, January 19, 2021 … are all located in Singapore and all GK-GermKiller® … emergencies/diseases/novel-coronavirus-2019/question-and … 72d77764-en [6] “Singapore Green Label”, Singapore Environment Council, https:…