According to the National Health Commission information, by 24:00 on January 30, total of 9,692 cases of confirmed infection, 1,527 cases of severe cases, 213 cases of deaths, and 171 cases of cure...
Fingertip pulse oximeter was invented by Millikan in the 1940s to monitor the concentration of oxygen in arterial blood, an important indicator of the severity of COVID-19. Yonker now explains how ...
