Schoonmaker-Bopp D, Nazarian E, Dziewulski D, Clement E, Baker DJ, Dickinson MC, Saylors A, Codru N, Thompson L, Lapierre P, Dumas N, Limberger R, Musser KA. Appl Environ Microbiol. 2021 Jun 4:AEM0058021. doi: 10.1128/AEM.00580-21. Epub ahead of print. PMID: 34085864.   Highlights Testing and investigation methods used in New York State (NYS) over the past… Read more »

Hamilton KA, Kuppravalli A, Heida A, Joshi S, Haas CN, Verhougstraete M, Gerrity D. J Occup Environ Hyg. 2021 Jun 23:1-21. doi: 10.1080/15459624.2021.1939878. Epub ahead of print. PMID: 34161202.   Highlights Dental offices pose a potential risk for inhalation or aspiration of pneumophila due to the high surface area to volume ratio of dental unit… Read more »

Calero Preciado C, Boxall J, Soria-Carrasco V, Martínez S, Douterelo I. Front Microbiol. 2021 Jun 8;12:658927. doi: 10.3389/fmicb.2021.658927. PMID: 34168627; PMCID: PMC8217620.   Highlights Higher temperatures increased biofilm formation on High-Density Polyethylene (HDPE) pipes in a chlorinated drinking water distribution system (DWDS). Material accumulation was accelerated by temperature but this did not effect biofilm strength… Read more »

Girolamini L, Salaris S, Pascale MR, Mazzotta M, Cristino S. Microb Ecol. 2021 Jun 5. doi: 10.1007/s00248-021-01778-9. Epub ahead of print. PMID: 34091718.   Highlights The Legionella community complex and attention needs to be given to lesser known Legionella The most prevalent species were pneumophila serogroup 1 (78.53%), followed by L. anisa (54.45%) and L…. Read more »

Santos LMCD, Silva ESD, Oliveira FO, Rodrigues LAP, Neves PRF, Meira CS, Moreira GAF, Lobato GM, Nascimento C, Gerhardt M, Lessa AS, Mascarenhas LAB, Machado BAS. Biology (Basel). 2021 Jun 12;10(6):525. doi: 10.3390/biology10060525. PMID: 34204772; PMCID: PMC8231602.   Highlights Ozonized water is characterized as a potential antimicrobial agent O3concentration increases according to the temperature variation… Read more »

Huang CK, Weerasekara A, Bond PL, Weynberg KD, Guo J. Sci Total Environ. 2021 Jul 22;798:149225. doi: 10.1016/j.scitotenv.2021.149225. Epub ahead of print. PMID: 34340073.   Highlights The premise plumbing microbiome of a 50-year-old university building was characterized. Biofilms were dominated with biofilm-formers and emerging opportunistic pathogens (OPs). Legionellaspp. was used as a model OP to… Read more »

Brady MF, Sundareshan V. 2021 Jul 10. In: StatPearls [Internet]. Treasure Island (FL): StatPearls Publishing; 2021 Jan–. PMID: 28613558. (Book)   Excerpt Legionnaires’ disease is caused by Legionella pneumophila. Pontiac fever refers to a benign, self-limited, acute febrile illness which is linked serologically to L pneumophila. L pneumophila causes pneumonia and should be considered as a pathogen… Read more »

Lai S, Nielsen B, Andrews N, Thompson CK.  J Hosp Infect. 2021 Jul 21:S0195-6701(21)00270-X. doi: 10.1016/j.jhin.2021.07.007. Epub ahead of print. PMID: 34302884.   Highlights Microbiology testing laboratories commonly use sample bottles containing sodium thiosulphate as the neutralising agent for oxidising biocides and these are readily available as commercially prepared and sterilized products. Bottles are typically… Read more »

Checa J, Carbonell I, Manero N, Martí I. J Microbiol Methods. 2021 Jul;186:106242. doi: 10.1016/j.mimet.2021.106242. Epub 2021 May 18. PMID: 34019935.   Highlights Legiolert and the standard method detected a similar percentage of positive samples, with Legiolert being slightly higher (31 vs 30%) and detecting higher concentrations of Legionella within the samples. ISO 17994:2014 analysis… Read more »

Kiran Paranjape. Émilie Bédard, Deeksha Shetty, MengQi Hu, Fiona Chan, Pak Choon, Michèle Prévost, Sébastien P. Faucher   Highlights Cooling towers have been linked to many outbreaks of Legionnaires’ disease, a severe pneumonia caused by Legionella Researchers identified complex ecological networks highlighting the importance of other bacteria and primary producers e.g. the presence of Brevundimonas… Read more »