High-grade masks evidence weak, Covid inquiry told

UKHSA's Prof Susan Hopkins questioned over face masks at Covid inquiry. There is only weak evidence that high-grade face masks better protected health workers than surgical ones in the pandemic, the… [+4569 chars]

High-grade masks evidence weak, Covid inquiry told

High-grade masks evidence weak, Covid inquiry told

High-grade masks evidence weak, Covid inquiry told

High-grade masks evidence weak, Covid inquiry told

High-grade masks evidence weak, Covid inquiry told