30 March 2020 (GNP) : WHO clarifies that holding the breath for 10 seconds doesn’t confirm that an individual is not infected with COVID-19. The only way you can know is to test it in a laboratory. Holding breath can be dangerous. (GNP)
30 March 2020 (GNP) : WHO clarifies that holding the breath for 10 seconds doesn’t confirm that an individual is not infected with COVID-19. The only way you can know is to test it in a laboratory. Holding breath can be dangerous. (GNP)