Size-selective sampling methods for detecting viral aerosols are needed to assess the risk of airborne transmission of disease. Andersen and MOUDI nonviable cascade impactors were used to separate test aerosols containing MS2 bacteriophage or adenovirus into size fractions spanning much of the human respirable range. Culture-based methods and a fluorescent tracer dye allowed quantification of the viral particles that remained infective after being aerosolized into a test apparatus and collected by the impactors. In addition, various suspension fluids and impaction surfaces were evaluated for their effect on virus viability. Both the Andersen and MOUDI impactors were able to sample live viruses from test aerosols, although the relative recovery rate of MS2 was higher than adenovirus (P < 0.001). The MS2 and adenovirus aerosols were sensitive to different test factors. MS2 recovery was dependent on the suspension fluid (P < 0.0001) and RH (P = 0.001), whereas adenovirus recovery was dependent on aerodynamic particle size (P < 0.001). Relative recovery of adenovirus was highest in the 0.56-1.9 mu m diameter range. The results confirm that nonviable cascade impactors are capable of size-separating and detecting aerosolized viruses in the human respirable range, and that MS2 and adenovirus can retain viability after nebulization under experimental conditions. The findings cast doubt, however, on the suitability of MS2 as a general surrogate for human and animal viruses.
机构:
Hong Kong Univ Sci & Technol, Dept Mech Engn, Hong Hom, Hong Kong, Peoples R ChinaHong Kong Univ Sci & Technol, Dept Mech Engn, Hong Hom, Hong Kong, Peoples R China
Chao, C. Y. H.
;
Wan, M. P.
论文数: 0引用数: 0
h-index: 0
机构:
Kyungpook Natl Univ, Sch Mech Engn, Taegu, South KoreaHong Kong Univ Sci & Technol, Dept Mech Engn, Hong Hom, Hong Kong, Peoples R China
Wan, M. P.
;
Morawska, L.
论文数: 0引用数: 0
h-index: 0
机构:
Queensland Univ Technol, Int Lab Air Qual & Hlth, Sch Math Sci, Brisbane, Qld 4001, AustraliaHong Kong Univ Sci & Technol, Dept Mech Engn, Hong Hom, Hong Kong, Peoples R China
Morawska, L.
;
Johnson, G. R.
论文数: 0引用数: 0
h-index: 0
机构:
Queensland Univ Technol, Int Lab Air Qual & Hlth, Sch Math Sci, Brisbane, Qld 4001, AustraliaHong Kong Univ Sci & Technol, Dept Mech Engn, Hong Hom, Hong Kong, Peoples R China
Johnson, G. R.
;
Ristovski, Z. D.
论文数: 0引用数: 0
h-index: 0
机构:
Queensland Univ Technol, Int Lab Air Qual & Hlth, Sch Math Sci, Brisbane, Qld 4001, AustraliaHong Kong Univ Sci & Technol, Dept Mech Engn, Hong Hom, Hong Kong, Peoples R China
Ristovski, Z. D.
;
Hargreaves, M.
论文数: 0引用数: 0
h-index: 0
机构:
Queensland Univ Technol, Int Lab Air Qual & Hlth, Sch Math Sci, Brisbane, Qld 4001, AustraliaHong Kong Univ Sci & Technol, Dept Mech Engn, Hong Hom, Hong Kong, Peoples R China
Hargreaves, M.
;
Mengersen, K.
论文数: 0引用数: 0
h-index: 0
机构:
Queensland Univ Technol, Int Lab Air Qual & Hlth, Sch Math Sci, Brisbane, Qld 4001, AustraliaHong Kong Univ Sci & Technol, Dept Mech Engn, Hong Hom, Hong Kong, Peoples R China
Mengersen, K.
;
Corbett, S.
论文数: 0引用数: 0
h-index: 0
机构:
Ctr Populat Hlth, Western Sydney W Area Hlth Serv, Sydney, NSW, AustraliaHong Kong Univ Sci & Technol, Dept Mech Engn, Hong Hom, Hong Kong, Peoples R China
Corbett, S.
;
Li, Y.
论文数: 0引用数: 0
h-index: 0
机构:
Univ Hong Kong, Dept Mech Engn, Hong Hom, Hong Kong, Peoples R ChinaHong Kong Univ Sci & Technol, Dept Mech Engn, Hong Hom, Hong Kong, Peoples R China
Li, Y.
;
Xie, X.
论文数: 0引用数: 0
h-index: 0
机构:
Univ Hong Kong, Dept Mech Engn, Hong Hom, Hong Kong, Peoples R ChinaHong Kong Univ Sci & Technol, Dept Mech Engn, Hong Hom, Hong Kong, Peoples R China
机构:
Hong Kong Univ Sci & Technol, Dept Mech Engn, Hong Hom, Hong Kong, Peoples R ChinaHong Kong Univ Sci & Technol, Dept Mech Engn, Hong Hom, Hong Kong, Peoples R China
Chao, C. Y. H.
;
Wan, M. P.
论文数: 0引用数: 0
h-index: 0
机构:
Kyungpook Natl Univ, Sch Mech Engn, Taegu, South KoreaHong Kong Univ Sci & Technol, Dept Mech Engn, Hong Hom, Hong Kong, Peoples R China
Wan, M. P.
;
Morawska, L.
论文数: 0引用数: 0
h-index: 0
机构:
Queensland Univ Technol, Int Lab Air Qual & Hlth, Sch Math Sci, Brisbane, Qld 4001, AustraliaHong Kong Univ Sci & Technol, Dept Mech Engn, Hong Hom, Hong Kong, Peoples R China
Morawska, L.
;
Johnson, G. R.
论文数: 0引用数: 0
h-index: 0
机构:
Queensland Univ Technol, Int Lab Air Qual & Hlth, Sch Math Sci, Brisbane, Qld 4001, AustraliaHong Kong Univ Sci & Technol, Dept Mech Engn, Hong Hom, Hong Kong, Peoples R China
Johnson, G. R.
;
Ristovski, Z. D.
论文数: 0引用数: 0
h-index: 0
机构:
Queensland Univ Technol, Int Lab Air Qual & Hlth, Sch Math Sci, Brisbane, Qld 4001, AustraliaHong Kong Univ Sci & Technol, Dept Mech Engn, Hong Hom, Hong Kong, Peoples R China
Ristovski, Z. D.
;
Hargreaves, M.
论文数: 0引用数: 0
h-index: 0
机构:
Queensland Univ Technol, Int Lab Air Qual & Hlth, Sch Math Sci, Brisbane, Qld 4001, AustraliaHong Kong Univ Sci & Technol, Dept Mech Engn, Hong Hom, Hong Kong, Peoples R China
Hargreaves, M.
;
Mengersen, K.
论文数: 0引用数: 0
h-index: 0
机构:
Queensland Univ Technol, Int Lab Air Qual & Hlth, Sch Math Sci, Brisbane, Qld 4001, AustraliaHong Kong Univ Sci & Technol, Dept Mech Engn, Hong Hom, Hong Kong, Peoples R China
Mengersen, K.
;
Corbett, S.
论文数: 0引用数: 0
h-index: 0
机构:
Ctr Populat Hlth, Western Sydney W Area Hlth Serv, Sydney, NSW, AustraliaHong Kong Univ Sci & Technol, Dept Mech Engn, Hong Hom, Hong Kong, Peoples R China
Corbett, S.
;
Li, Y.
论文数: 0引用数: 0
h-index: 0
机构:
Univ Hong Kong, Dept Mech Engn, Hong Hom, Hong Kong, Peoples R ChinaHong Kong Univ Sci & Technol, Dept Mech Engn, Hong Hom, Hong Kong, Peoples R China
Li, Y.
;
Xie, X.
论文数: 0引用数: 0
h-index: 0
机构:
Univ Hong Kong, Dept Mech Engn, Hong Hom, Hong Kong, Peoples R ChinaHong Kong Univ Sci & Technol, Dept Mech Engn, Hong Hom, Hong Kong, Peoples R China