Wear FFP2 or KN95 masks. German conclusion in Tagesschau about it, original research from Max-Planck-Institute, see also this American study. You’re welcome, and thanks for protecting yourself as well as others.
Music. Photography. Thoughts.
Music. Photography. Thoughts.
Wear FFP2 or KN95 masks. German conclusion in Tagesschau about it, original research from Max-Planck-Institute, see also this American study. You’re welcome, and thanks for protecting yourself as well as others.