It was just too hard getting 3M N95 masks. But, these are a good alternative to 3M. I wear them around town on my day off too. To me, a good indicator of how well a mask protects the wearer from particulate and Covid is how much I can smell while wearing the mask when I pick...
然而,快速抗原检测,例如 FDA 授权的在家 COVID 检测,速度更快、更容易管理,并且仍然倾向于获得准确的结果。 约翰霍普金斯大学健康安全中心资深学者、传染病专家 Amesh A. Adalja 医学博士在 8 月份告诉《健康》杂志说:“对于有症状的人来说,家庭测试是相当准确的。” 值得注意的是,并非所有家用 COVID 测试套件都...
Amazon sets out selling requirements for face masks and respirators on its platforms. If a seller plans to list N95 or N99 respirators, these products must be NIOSH-approved, and compliant with other OSHA regulations, such as 29 CFR 1910.134. On the other hand, if a seller is making claim...