Table 1.
Annual epidemic peaks of influenza virus and human metapneumovirus infections, and temporal distribution of isolates in patients with severe community-acquired pneumonia due to human metapneumovirus infection (Gipuzkoa, Spain, 2008–2017)
| Year | Flu epidemic peak | hMPV epidemic peak | SCAP hMPV |
|---|---|---|---|
| 2008 | January (2nd week) | March | None |
| 2009 |
December (2008) (50th week) |
January |
April (n = 1) July (n = 1) |
| 2010 |
October (2009) Pandemia (42th week) |
March | March (n = 3) |
| 2011 | January (1st week) | March |
March (n = 2) April (n = 1) |
| 2012 | February (7th week) | March | June (n = 2) |
| 2013 | February (7th week) | March |
May (n = 1) July (n = 1) |
| 2014 | January (3rd week) | March |
January 2014 (n = 1) April 2014 (n = 1) |
| 2015 | February (5th week) | March |
January (n = 1) March (n = 1) April (n = 2) May (n = 1) |
| 2016 | January (4th week) | March | March (n = 3) |
| 2017 | January (3rd week) | March |
January (n = 2) February (n = 1) March (n = 2) |
hMPV human metapneumovirus, SCAP severe community-acquired pneumonia