Comment on

• The ability of hospital ventilation systems to filter Aspergillus and other fungi following a building implosion.

  Srinivasan A, Beck C, Buckley T, Geyh A, Bova G, Merz W, Perl TM. Srinivasan A, et al. Infect Control Hosp Epidemiol. 2002 Sep;23(9):520-4. doi: 10.1086/502100. Infect Control Hosp Epidemiol. 2002. PMID: 12269450
• Efficacy of high-efficiency particulate air filtration in preventing aspergillosis in immunocompromised patients with hematologic malignancies.

  Hahn T, Cummings KM, Michalek AM, Lipman BJ, Segal BH, McCarthy PL Jr. Hahn T, et al. Infect Control Hosp Epidemiol. 2002 Sep;23(9):525-31. doi: 10.1086/502101. Infect Control Hosp Epidemiol. 2002. PMID: 12269451