The meaning of INFLUENZA is an acute, highly contagious, respiratory disease caused by any of three orthomyxoviruses. How to use influenza in a sentence.
Types A and B are more similar in physical and biologic characteristics to each other than they are to type C. Influenza viruses may be spherical or filamentous in shape, and they are of medium size among common viruses of humans. See Animal virus When a cell is infected by two similar ...
L., Meiklejohn, G., et al., 1983, Hemagglutinin-specific antibody responses in immunoglobulin G, A, and M isotypes as measured by enzyme-linked immunosorbent assay after primary or secondary infection of humans with influenza A virus, Infect. Immun. 41:540–545. PubMed CAS Google Scholar ...
The epidemiological behaviour of influenza in people is related to the two types of antigenic variation of its envelope glycoproteins—antigenic drift and antigenic shift. During antigenic drift, new strains of virus evolve by accumulation of point mutations in the surface glycoproteins. The new strains...
We therefore undertook a population-based study in the Nanchang region of Central China to establish the prevalence, types and seasonal pattern of human influenza infection and to screen serum samples from animals and humans for evidence of interspecies transmission of influenza viruses.Zhou NHe S...
in·flu·en·za (ĭn′flo͞o-ĕn′zə) n. 1.An acute contagious viral infection of humans, characterized by inflammation of the respiratory tract and by fever, chills, muscular pain, and prostration. Also calledgrippe. 2.Any of various viral infections of domestic or wild animals, ...
The influenza viruses are divided into the types A, B and C and show unique variability of their surface antigens (hemagglutinin and neuraminidase). Influenza viruses of type A show the largest degree of antigenic variation which, in turn, resulted in the definition of a number of subtypes, ...
Three types of flu viruses affect humans: types A, B, and C. Type A and B cause the annual influenza epidemics that have up to 20% of the population sniffling, aching, coughing, and running high fevers. Type C also causes flu, but its symptoms are much less severe. ...
influenza types, and cause the most severe disease. Theinfluenza A viruscan be subdivided into different subtypes based on the antibody response to these viruses. The subtypes that have been confirmed in humans in seasonal influenza, ordered by the number of known human pandemic deaths, are: ...
Zoonotic influenza viruses are those that cross the animal-human barrier and can cause disease in humans, manifesting from minor respiratory illnesses to m