Ensuring adequate ventilation with outside air can help reduce the concentration of airborne contaminants, including viruses, indoors. Proper ventilation also reduces surface pollution by removing some virus particles before they can fall out of the air and land on surfaces. Ventilate your home by letting in fresh air, filtering the air that's there, and improving air flow. Improving ventilation can help you reduce virus particles in your home and prevent COVID-19 from spreading.
You may or may not know if someone in your household or if a visitor to your home has COVID-19 or other respiratory viruses. Good ventilation, along with other preventive measures, can help prevent you and others from contracting and spreading COVID-19 and other respiratory viruses. Ventilation helps reduce levels of infectious particles in the air. This is especially important when you're with people outside your immediate household.
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