Collision Resistance@lemm.ee to World News@lemmy.mlEnglish · 11 months agoNew Covid wave has begun and masks should be worn again, scientists warnwww.independent.co.ukexternal-linkmessage-square878fedilinkarrow-up11.03Karrow-down175
arrow-up1955arrow-down1external-linkNew Covid wave has begun and masks should be worn again, scientists warnwww.independent.co.ukCollision Resistance@lemm.ee to World News@lemmy.mlEnglish · 11 months agomessage-square878fedilink
minus-squarePiers@beehaw.orgcakelinkfedilinkEnglisharrow-up2·11 months agoThe thing specifically to avoid are ones with valves. Anything else with reasonable filtration will protect others.
The thing specifically to avoid are ones with valves. Anything else with reasonable filtration will protect others.