The authors compared outcomes among those who had received an updated XBB vaccine and those who had not received an XBB vaccine of any kind, regardless of prior COVID-19 vaccination or infection history.
As the H5N1 outbreak in dairy herds approaches the three-month mark, America’s top animal health official is calling on farmers to step up the use of personal protective equipment, limit traffic onto their farms, and increase cleaning and disinfection practices in their barns and milking parlors.
Of the four types of masks tested, the duckbill N95 mask came out on top: it blocked 99 percent of large particles and 98 percent of small particles from getting out into the air. Overall, 98 percent of the viral load was blocked by the N95.
