Eric Feigl-Ding @DrEricDing The coronavirus is airborne. Very airborne. Even if you don’t see anyone—doesn’t mean the aerosols aren’t in the air. WATCH you need high quality N95 / KN95 / KF94 / FFP2/ FFP3 masks. also please ventilate, get HEPA filters, get upper room UV.
Eric Feigl-Ding @DrEricDing The coronavirus is airborne. Very airborne. Even if you don’t see anyone—doesn’t mean the aerosols aren’t in the air. WATCH you need high quality N95 / KN95 / KF94 / FFP2/ FFP3 masks. also please ventilate, get HEPA filters, get upper room UV.