In the northern hemisphere, during October 1997-March 1998, influenza
A(H3N2) predominated in Austria, Canada, Croatia, Denmark, Finland, France,
Germany, Greece, Iran, Israel, Italy, Japan, Morocco, Russian Federation,
Spain, Sweden, Switzerland, United Kingdom, and the Federal Republic of Yugoslavia.
Influenza A(H3N2) also was isolated in Czech Republic, Egypt, Hong Kong, Iceland,
Korea, Netherlands, Norway, Poland, Portugal, Romania, Saudi Arabia, and Taiwan.
Influenza A(H3N2) activity increased in Iran, Israel, and Japan in early January
and in Canada and Europe from late January through February. In the southern
hemisphere, during October-December, influenza A(H3N2) viruses were isolated
from outbreaks in Argentina, Chile, and Fiji and from sporadic cases in Australia,
French Polynesia, and South Africa.2- 4