We've put some small files called cookies on your device to make our site work.
We'd also like to use analytics cookies. These send information about how our site is used to a service called Google Analytics. We use this information to improve our site.
Let us know if this is OK. We'll use a cookie to save your choice. You canĀ read more about our cookies before you choose.
National Patient Safety Alert – Infection risk when using FFP3 respirators with valves or Powered Air Purifying Respirators (PAPRs) during surgical and invasive procedures
National Patient Safety Alert on infection risk when using FFP3 respirators with valves or Powered Air Purifying Respirators (PAPRs) during surgical and invasive procedures.