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Antiviral susceptibility testing of influenza viruses in 2019

Antiviral susceptibility testing of influenza viruses in 2019

The information is based on testing of influenza virus isolates obtained from cell culture, and intends to provide a profile on the proportion of strains with reduced antiviral susceptibility. The date refers to specimen reception by the laboratory. Numbers and trends presented here should be interpreted in light of the small specimen numbers in particular categories.

Antiviral susceptibility testing of influenza A subtype H1 viruses in 2019

Month Oseltamivir tested Oseltamivir - Reduced susceptibility
No. %
Jan 5 0 0%
Feb 5 0 0%
Mar 0 0 0%
Apr 6 0 0%
May 3 0 0%
Jun 3 0 0%
Jul 6 0 0%
Aug 6 1 17%
Sep 7 0 0%
Oct 7 0 0%
Nov 14 0 0%
Dec 14 0 0%

 

Antiviral susceptibility testing of influenza A subtype H3 viruses in 2019

Month Oseltamivir tested Oseltamivir - Reduced susceptibility
No. %
Jan 8 0 0%
Feb 6 0 0%
Mar 8 0 0%
Apr 9 0 0%
May 5 0 0%
Jun 6 0 0%
Jul 5 0 0%
Aug 10 0 0%
Sep 10 0 0%
Oct 7 0 0%
Nov 3 0 0%
Dec 6 0 0%
 

Antiviral susceptibility testing of influenza B viruses in 2019

Month Oseltamivir tested Oseltamivir - Reduced susceptibility
No. %
Jan 7 0 0%
Feb 15 0 0%
Mar 26 0 0%
Apr 5 0 0%
May 12 0 0%
Jun 11 0 0%
Jul 10 0 0%
Aug 4 0 0%
Sep 4 0 0%
Oct 6 0 0%
Nov 3 0 0%
Dec 0 0 0%