There’s a new health warning about respiratory illnesses. The CDC is reporting that cases of the cold, flu, COVID and RSV are on the rise. The health alert comes on the heels of large gatherings ...

"The policy coincides with the respiratory virus season, when the spread of flu, RSV and COVID-19 rises." The above requirement is in effect at all of the health system's hospitals - Rush ...

Abstract: In this letter, we present beam quality improvement in a 50-W-class nonlinear chirped pulse amplification (NCPA) femtosecond all-fiber system. By exploring the group delay dispersion ...

BEIJING, Dec 27 (Reuters) - China's diseases control authority said on Friday that it was piloting a monitoring system for pneumonia of unknown origin, with cases of some respiratory diseases ...