Influenza is a human pathogen that continues to pose a public health threat. The use of
small mammalian models has become indispensable for understanding the virulence of …

Influenza A subtype H7 viruses have resulted in> 100 cases of human infection since 2002
in the Netherlands, Italy, Canada, the United States, and the United Kingdom. Clinical illness …

Serological techniques play a critical role in various aspects of influenza surveillance, vaccine
development and evaluation, and sometimes in diagnosis, particularly for novel influenza …

Background Community-acquired pneumonia is a leading infectious cause of hospitalization
and death among US adults. Incidence estimates of pneumonia confirmed radiographically …

Background Incidence estimates of hospitalizations for community-acquired pneumonia
among children in the United States that are based on prospective data collection are limited. …

Background A new pandemic influenza A (H1N1) virus has emerged, causing illness globally,
primarily in younger age groups. To assess the level of preexisting immunity in humans …

The pandemic influenza virus of 1918–1919 killed an estimated 20 to 50 million people
worldwide. With the recent availability of the complete 1918 influenza virus coding sequence, we …

From May to December 1997, 18 cases of mild to severe respiratory illness caused by avian
influenza A (H5N1) viruses were identified in Hong Kong. The emergence of an avian virus …

… Katz presents an overview of the field as well as a preliminary survey of the research results
obtained during Stage I of the Programme. It begins by briefly dealing with the'state of the art…

Recent reports of mild to severe influenza-like illness in humans caused by a novel swine-origin
2009 A(H1N1) influenza virus underscore the need to better understand the …