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Image: Latest COVID-19 test results of two Russian patients turn out negative

Latest COVID-19 test results of two Russian patients turn out negative

The latest test results of the two Russians, who again tested positive for the coronavirus SARS-CoV-2 after they were given the all-clear, turned out negative, the Health Department of southern Ba Ria-Vung Tau province announced on January 12.

Image: Company invents nano bio-technology medical mask

Company invents nano bio-technology medical mask

Wakamono, a Ho Chi Minh City-based company that specialises in producing nano biotech materials, has invented a medical mask that is capable of killing more than 99 percent of both gram-negative and -positive bacteria, and enveloped and non-enveloped virus.