Researchers Look to Immune System for Clues on COVID-19
The human immune system is made up of millions of "T" cells, which recognize and help fight viruses that enter the body. Microsoft and Adaptive Biotechnologies have created a test to identify and analyze how these cells respond to COVID-19. The results will help researchers improve diagnostics, treatments and vaccines. Tina Trinh has more from New York. VOA Khmer's Soksreinith Ten narrates.