 The Covid-19 virus has revealed new information about how the lungs function and how they respond to infection. The virus has shown that the lungs can still function despite having low levels of oxygen, suggesting that the virus may have damaged the lungs' ability to absorb oxygen. Additionally, the virus has caused changes in the structure of the lungs' protective layer, called pulmonary surfactant, which could lead to more serious health issues if left untreated. This article was offered by Barry Ninham, Brandon Reyners, Matthew Batty, and others.