… of the 2009 H1N1 pandemic influenza. The clinical course of 45 fatal cases in Mexico was
… a role in almost one-third of fatal cases of 2009 pandemic influenza A (H1N1) in the USA. …

… The confirmed case fatality ratio was 2·9% (95% CI 0·0–6·7%), an … fatal cases (937 fatal
cases among 31 980 confirmed cases), which gives an overall estimated infected case fatality …

… We conducted a systematic review to summarize published estimates of the case fatality
risk of the pandemic influenza H1N1pdm09 virus. Only studies that reported population-based …

… The vast majority of fatal case-patients assessed in this study with available medical history
had underlying medical conditions. Obesity (body mass index ≥ 30) was the most significant …

… a confirmed H1N1 influenza 2009 infection based on … fatal case report of the 2009 pandemic
influenza A (H1N1) virus on 15 August, we collected several types of data for the fatal cases …

… A first limitation of this study may be underdiagnosis of fatal cases from pandemic influenza
H1N1. The difficulty in determining whether the death is attributable to H1N1 infection or to …

… pandemic influenza virus. Unfortunately, there is insufficient clinical information about the
natural history of severe influenza … abnormalities in fatal pandemic influenza, this case series …

… tissue specimens obtained during autopsy from 58 influenza victims in 1918–1919, and …
pandemic influenza virus, investigators have begun to examine why it was so highly fatal [6, …

… cases and 3917 deaths, or a case-fatality rate of 1.3% ( 5 ). If undiagnosed cases were included,
the overall case-fatality … the 1918 pandemic is estimated to have had a case-fatality rate …

… 1918 influenza … pandemics and inter-pandemic influenza that causes excess mortality
mostly among the elderly and those with chronic illnesses, both the H5N1 and the 1918 influenza …