Researchers developed a model that showed how long aerosol particles from the lungs can stay in the air and travel inside closed spaces, increasing the risk of COVID-19 infection
The 25-year-old model-turned-rapper Chynna Rogers died at her Philadelphia house informed her manager John Miller in an email, the causes for the death rapper is not known yet
Almost 4 billion masks, thousands of ventilators and coronavirus testing kits were exported to more than 50 countries, there have been controversies too, can China win global trust?