Before you can study it, you have to capture it.


Coronavirus - is it airborne or not? How far can it travel? Is the recommended six feet of "social distance" really enough? To answer questions like these, you need the best collection devices. Our SASS 2300 wetted-wall cyclone air samplers are being used in hospital wards in Wuhan, China to study these questions and more. (And no, six feet is probably not enough.) Read more below:

SASS 2300® Air Sampler Collects Key Information in Wuhan Study

A SASS 2300 wet air sampler in use in a hospital COVID-19 ward in Wuhan, China, April 2020.
Hospital staff in Wuhan using a SASS 2300 Wetted-Wall Air Sampler to study movement of SARS-CoV-2, the virus that causes Covid-19.

The CDC's monthly journal Emerging Infectious Diseases has published an online early release of a study which suggests that six feet is not nearly enough “social distance.” Using a Research International SASS 2300 air sampler in hospital wards in Wuhan, China, the authors found that airborne Coronavirus virions can travel as much as four meters, or about 13 feet. Read the complete article here:

Aerosol and Surface Distribution of Severe Acute Respiratory Syndrome Coronavirus 2 in Hospital Wards, Wuhan, China, 2020

Research International offers air samplers for both dry filter-based collection and liquid-based collection, along with particle extractors, air concentrators, biodetectors, and integrated systems for detection and identification of CBRNe threats. ( is the official website of the Centers for Disease Control and Prevention (CDC). More information about Coronavirus

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SASS® Air Samplers: Relied on by Scientists Everywhere

Our SASS 2300 and SASS 3100 air samplers are in use around the world wherever researchers are studying airborne pathogens. Some typical applications include study of the air in subways, outdoor air in polluted urban areas, meat processing plants, waste water management plants, and livestock and poultry farm facilities. Below is a partial reading list of studies where our products were employed.

  1. Quantification of airborne dust, endotoxins, human pathogens and antibiotic and metal resistance genes in Eastern Canadian swine confinement buildings. Pilote, J., Létourneau, V., Girard, M. et al. Aerobiologia volume 35, pages 283–296 (2019)
  2. Airborne Dispersion of Leptospirosis in a Meat Processing Plant. McLean D, leblanc-Maridor M, Hall R, et al. Occupational and Environmental Medicine 2018; 75:A213.
  3. Environmental air sampling to detect exotic Newcastle disease virus in two California commercial poultry flocks. Sharon K. Hietala, et al. J. Vet. Diagn. Invest., 17, 198 (2005)
  4. Human viral pathogens are pervasive in wastewater treatment center aerosols, Evelyne Brisebois et al. Journal of Environmental Sciences, Volume 67, May 2018, Pages 45-53.
  5. A label-free impedimetric aptasensor for the detection of Bacillus anthracis spore simulant, Vincenzo Mazzaracchio et al. Biosensors and Bioelectronics Volume 126, 1 February 2019, Pages 640-646.
  6. Study on the distribution law of microbial aerosol in the environment of dairy barn. Sun Hongqi, Jilin Agricultural University S823.4, 2017.
  7. Two Community Clusters of Legionnaires’ Disease Directly Linked to a Biologic Wastewater Treatment Plant, the Netherlands, Anna D. Loenenbach et al., Emerg Infect Dis. 2018 Oct; 24(10): 1914–1918. doi: 10.3201/eid2410.180906
  8. Composition and Distribution Analysis of Bioaerosols Under Different Environmental Conditions. Wang, Z., Li, J., Qian, L., Liu, L., Qian, J., Lu, B., Guo, Z., J. Vis. Exp. (143), e58795, doi:10.3791/58795 (2019)
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