imagine a virus (0.3 μm ) as a soccer ball imagine a droplet of aerosolized mucus and water (10 μm) as a moving truck imagine the holes in your mask (1 μm ) as the front door to your house can the moving truck carrying the beach ball get through that front door? masks work https://t.co/jaKMzSRm9w
unless you've caught it since the last time you were tested for antibodies how long ago was that ?
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2 weeks and I've been quarantined since then.
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