n95 masks block few if any covid 19 particles due to their size
n95 masks block few if any covid 19 particles due to their size
today’s update on lockdown sceptics is here. my headline over picture of boris wearing a face mask is: “confused man wears mask in spite of having had virus months ago.” if he makes them compulsory i’m never voting tory again. https://t.co/txg6u7mtov