Aerosol particles are lighter than droplet-sized particles and can be suspended in the air for longer.
from Latest News https://www.dnaindia.com/health/report-how-well-ventilated-home-and-work-place-can-reduce-covid-19-risk-2891304
Iran threatened to target regional energy and infrastructure "irreversibly" following US President Donald Trump's 48-hour ulti...
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