Pandemic（大面积流行的) H1N1 2009The most active areas of pandemic influenza transmission c

Pandemic(大面积流行的) H1N1 2009

The most active areas of pandemic influenza transmission currently are in central and eastern Europe. Focal(集中的) increases in rates during recent weeks were______【51】in at least two eastern European countries. A high intensity of respiratory (呼吸的) disease activity with concurrent (同时存在的) circulation of pandemic influenza still ______【52】in parts of southern and eastern Europe, ______【53】in Greece, Poland, and Ukraine.

In Western Europe, influenza transmission remains ______【54】and widespread, but overall disease activity has peaked. All influenza viruses in Western Europe were pandemic H1N1 2009, ______【55】, very small numbers or seasonal influenza viru-ses covering less than 1% of all influenza viruses found, were reported in Russia. In ______【56】, limited available data indicate that active, high intensity transmission is occurring in Northern African countries______【57】the Mediterranean coast.

In Central Asia, limited data______【58】that influenza virus circulation remains active, but transmission may have recently peaked in some places. In West Asia, Israel, Iran, and Iraq also appear to have passed their______【59】period of transmission within the past month though both areas continue to have some active transmission and levels of respiratory disease activity have not yet______【60】to baseline levels. In East Asia, influenza transmission remains active but appears to be______【61】overall. Slight increases in ILI were reported in Mongolia after weeks of declining activity following a large peak of activity______【62】one month ago.

In North America, influenza transmission______【63】widespread but has declined quickly in all countries. In the tropical regions of Central and South America and the Caribbean, influenza transmission remains geographically widespread but overall disease ______【64】has been declining or remains unchanged in most parts.

______【65】for focal increases in respiratory disease activity in a few countries.

(51)

A．reported

B．expected

C．marked

D．caused