22 June 2012 - Update number 162 •The influenza season is
largely finished in the temperate countries of the northern
hemisphere with some persistent low level influenza transmission
in eastern Europe and northern China. Most northern hemisphere
temperate countries have now stopped weekly influenza data
reporting. •Some tropical countries are experiencing an increase
or stable transmission of influenza viruses including countries
in Central America, the Caribbean, South America and, in Sub-
Saharan Africa. •The influenza season has not yet started in the
temperate countries of the southern hemisphere, although several
countries including Australia, Chile, Paraguay and South Africa
have reported small but sustained increase of influenza virus
detections. Influenza A(H3N2) viruses are the most commonly
detected type/sub-type in recent weeks in the Southern
Hemisphere temperate region. Source of data The Global Influenza
Programme monitors influenza activity worldwide and publishes an
update every two weeks. The