Covid-19 infections in England reached their highest level in March since the pandemic began, driven by the omicron subvariant BA.2 and waning immunity among older adults, according to a new study. … [+416 chars]
Researchers have discovered a new never-before-seen cell in the human lungs, which plays a vital role in the functioning of the respiratory system. (Image credit: Shutterstock) (opens in new tab)Sci… [+4763 chars]