Andreas Petersen

Research area

• Global and national epidemiology of MRSA clones
• Epidemiology of the mecC variant of MRSA
• Characterisation of resistance and virulence mechanisms
• Whole genome sequencing in outbreak detection

Responsibilities

• Management and operation of the national reference laboratory for antimicrobial resistance
• Quality control of laboratory data
• Typing and susceptibility testing of Staphylococcus aureus bacteraemia and methicillin-resistant Staphylococcus aureus (MRSA) in Denmark
• Preparation of yearly surveillance reports
• Research and development
• Supervision of laboratory technicians, students and visitors

Publications

• Petersen A, Larssen KW, Gran FW, Enger H, Hæggman S, Mäkitalo B, Garaldsson G, Lindholm L, Vuopio J, Henius AE, Nielsen J, Larsen AR. Increasing Incidences and Clonal Diversity of Methicillin-Resistant Staphylococcus aureus in the Nordic Countries - Results From the Nordic MRSA Surveillance. Front Microbiol 2021 12:668900. doi: 10.3389/fmicb.2021.668900. eCollection 2021
  
  
• Møller CH, Andersson M, Larsen AR, Petersen A, Mølbak K, Koch A. Risk of hospitalization and death within 2 years after methicillin-resistant Staphylococcus aureus (MRSA) diagnosis in persons colonized or infected with livestock and non-livestock-associated MRSA-A nationwide register-based cohort study. Zoonoses Public Health. 2020 Nov;67(7):814-822. doi: 10.1111/zph.12765. Epub 2020 Sep 19. PMID: 32949111
  
  
• Sieber RN, Urth TR, Petersen A, Møller CH, Price LB, Skov RL, Larsen AR, Stegger M, Larsen J. Phage-Mediated Immune Evasion and Transmission of Livestock-Associated Methicillin-Resistant Staphylococcus aureus in Humans. Emerg Infect Dis. 2020 Nov;26(11). doi: 10.3201/eid2611.201442
  
  
• Thorlacius-Ussing L, Sandholdt H, Larsen AR, Petersen A, Benfield T. Age-Dependent Increase in Incidence of Staphylococcus aureus Bacteremia, Denmark, 2008-2015. Emerg Infect Dis. 2019 May;25(5). doi: 10.3201/eid2505.181733
  
  
• Scott WK, Medie FM, Ruffin F, Sharma-Kuinkel BK, Cyr DD, Guo S, Dykxhoorn DM, Skov RL, Bruun NE, Dahl A, Lerche CJ, Petersen A, Larsen AR, Lauridsen TK, Johansen HK, Ullum H, Sørensen E, Hassager C, Bundgaard H, Schønheyder HC, Torp-Pedersen C, Østergaard LB, Arpi M, Rosenvinge F, Erikstrup L, Chehri M, Søgaard P, Andersen PS, Fowler VG Jr Human genetic variation in GLS2 is associated with development of complicated Staphylococcus aureus bacteremia. PLoS Genet. 2018 Oct 5;14(10):e1007667. doi: 10.1371/journal.pgen.1007667.