… Influenza is an acute viral respiratory infection that affects all age groups and is associated
with … by influenza annually, with about half a million deaths each year. Influenza vaccination is …

… virus RNAs does not result in the formation of infectious virus particles. However, systems
have been developed which allow the in vitro reconstitution of biologically active RNP from …

… reactive against this standard strain of influenza virus seemed to indicate that the influenza-like
infection of neither of the cases had been due to the virus of epidemic influenza. …

… is possible in case of an influenza virus infection, even though the probability is low for the
human virus type in case of a normal course of the disease. For H5N1 infections, the situation …

… Even after the infectious virus can no longer be recovered, viral antigen can be … of influenza
can be established by viral culture, demonstration of viral antigens, or demonstration of viral …

… We recovered infectious influenza virus from 52 samples of fine aerosols collected from …
142 cases of symptomatic influenza infection during 218 clinic visits. Finding infectious virus in 39…

… Severe cases of influenza infection comprise spread of the virus to the alveolar
compartment, where both α2,6- and α2,3-SA are present—the latter highly expressed on type II …

… cell depletion during an influenza virus infection, we estimated the numbers of viral-antigen-…
, 4.5, and 5.5 after challenge with influenza A/eq/Newmarket/79 (H3N8) virus (Fig. 1a to c). …

… of lab-confirmed influenza. We present here a comparison of the clinical presentations of
influenza cases by virus type and subtype/lineage for the period 2003–2004 to 2012–2013. …

… confirmed secondary cases of influenza virus infection in the household setting, including
31 (13%) paucisymptomatic and 25 (11%) asymptomatic cases. The duration of viral RNA …