Conclusions
The outbreak of the pandemic A (H1N1) influenza was limited
to a few weeks in the late autumn of 2009. The epidemiological
and clinical features did not differ from seasonal influenza
viruses. Transmission mainly occurred between younger age
groups. Older individuals had some protection, probably
because similar influenza viral strains have previously been
circulating. The intensive media coverage of the pandemic
based on information from national and international
authorities was not in proportion to its severity, extension
or effect on public welfare.