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Air purifiers can help slow the spread of airborne COVID-19
Read this article from ABC News to learn how air purifiers and cleaners can help slow the spread of COVID-19, or watch the video below for more information.
Global infections disease experts acknowledge the potential for airborne spread through aerosols, and the potential effectiveness of air purifiers which destroy viruses and filter the air to prevent transmission.
“There is significant potential for inhalation exposure to viruses in microscopic respiratory droplets (microdroplets) at short to medium distances (up to several meters, or room-scale), and we are advocating for the use of preventive measures to mitigate this route of airborne transmission.”
Lidia Morawska, International Laboratory for Air Quality and Heath, WHO
“In theory, if an air purifier removes viruses from the air, it reduces concentrations in the room and thus reduces the potential for exposure.”
Linsey Marr, engineer and professor at Virginia Tech
“It’s possible HEPA purifiers will prove only marginally useful in the fight against coronavirus.”
Tim Heffernan, NY Times
“Obviously cleaning surfaces is still important but cleaning the air that recirculates through buildings is now a huge focus.”
Nancy McClellan, industrial hygiene specialist.
“A study done by National Institute of Allergy and Infectious Diseases… found that infectious viruses [like COVID-19] could remain in the air for up to three hours.”
Harvard Medical School
“Add portable room air cleaners with due consideration to the clean air delivery rate ”
American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE)
“In [recent COVID-19] outbreaks, aerosol transmission… cannot be ruled out.”
World Health Organization
“…most businesses and homeowners may find it difficult to retrofit their existing system to accommodate a HEPA filter, or any filter higher than the rating recommended by the system’s manufacturer. Doing so can actually impair the system’s performance.”
Sandee LaMotte, CNN
“…people operating [ozone-generating] air purifiers indoors are more prone to being exposed to ozone levels in excess of public health standards.”
Sergey A. Nizkorodov, assistant professor of chemistry in the School of Physical Sciences at UCI.
“You don’t have to be coughing or doing anything vigorous for these droplets to come out of your mouth, and if you have the infection in your mouth, those particles can carry the virus. They hang out in the air and someone coming after you just has to breathe the air to get the infection.“
Dr. Jodie Dionne-Odom, Assistant professor in UAB’s Division of Infectious Diseases.
“I’ve been writing consistently since early February about how healthy buildings should be the first line of defense against the novel coronavirus.”
Joseph Gardner Allen, Harvard T.H. Chan School of Public Health.
“A PECO filter could remove a virus from the air given its size, [but] “it’s not likely this will make a large impact, considering [coronavirus] lives on [filter] surfaces for an extended period of time.”
Dr. Mariea Snell, assistant director of the online doctor of nursing program at Maryville University
“We conclude that in this outbreak, droplet transmission was prompted by air-conditioned ventilation. The key factor for infection was the direction of the airflow. ”
Jianyun Lu et. al., Guangzhou Center for Disease Control and Prevention, Guangzhou, China