(A) Hong Kong
Correct Option is: A
A team of researchers from the Department of Mechanical Engineering, School of Engineering, University of Hong Kong (HKU), in collaboration with the Center for Immuno-Infection, HKS School of Medicine, has made a major breakthrough in the production of the first product. Anti-COVID-19 stainless steel that kills Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-Cov-2) on its surface. Anti-COVID-19 stainless steel can also inactivate his H1N1 virus and E. coli on the surface.