Human Salmonella Isolates, 2010 No. 8, August

Monday 23rd September 2019


Human Salmonella Isolates, 2010 No. 8, August

  • The number of isolates (n=96) showed an increase in comparison with August 2009 (n = 76). Salmonella Typhimurium phage type RDNC-May 06 (14 in August 2010, 8 in August 2009) was the predominant serotype this month. Uncommon New Zealand serotypes identified this month included S. Ohio (8 human isolates since 2000) and S. Typhimurium phage type 208 (2 human isolates since 2000). Salmonella Apapa and S. Glostrup were isolated for the first time in New Zealand. No recent overseas travel reported.
  • During the month of August 2010, the Enteric Reference Laboratory confirmed 66 ovine isolates of Salmonella Brandenburg from the South Island (2009: 49 ovine isolates). A delay in human cases of S. Brandenburg has been observed since 1998, with human cases usually increasing in September and October. Seven human cases were confirmed during the month of August, 6 of which were from the South Island (2009: 1 human case).
  • A increase in numbers of S. Typhimurium RDNC-May 06 has been observed over the months of July and August this year in the Auckland region in comparison with 2009 but the total number of Salmonella isolates has been on the increase as well: 2009 (148), 2010 (169). This phage type is one of our most common phage type in New Zealand.

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Human Salmonella Isolates, 2010 No. 8, August

 

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Human Salmonella Isolates, 2010 No. 8, August

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