"Seasonal influenza" refers to a type of flu that occurs during specific times of the year, typically during colder months. It is a common illness caused by a specific virus that spreads easily from person to person.
Full definition
Older age and prior administration of
seasonal influenza vaccine were independently associated with a decreased antibody response.
This virus is spreading from person - to - person worldwide, probably in much the same way that regular
seasonal influenza viruses spread.
WHO officials will soon face a tricky choice of whether to urge vaccine manufacturers to ramp up stores
of seasonal influenza vaccine, as they do every year, or to focus their efforts on a swine flu vaccine.
However, variations
in seasonal influenza vaccine effectiveness over the past decade have raised questions about their protective ability and whether other factors, such as antibodies to the NA protein on the flu virus, should be considered in designing the annual flu vaccine to improve its performance.
Prevention and control of
seasonal influenza with vaccines: Recommendations of the advisory committee on immunization practices — United States, 2016 - 17 influenza season.
The letter states that the pause potentially applies to six projects that range from studying the ecology of avian flu in live bird markets in Colombia to looking at drug - resistance mutations in
seasonal influenza strains.
Picente reminded residents that more than 36 - thousand Americans die
from seasonal influenza annually and emphasized that vaccine is being made available as soon as it's received by the County, particularly to pregnant women, children and young adults most vulnerable to H1N1.
Through integration with a wearable thermometer, the Thermia online health educational tool developed at Boston Children's Hospital has enabled prediction of
seasonal influenza outbreaks in China one month earlier than before, according to a new study in the American Journal of Public Health.
The relationship between humidity and pandemic influenza transmission found in this study is consistent with the relationship observed
for seasonal influenza.
However,
most seasonal influenza vaccines in the U.S. contain two type A influenza viruses and one type B influenza virus that are selected every year by the World Health Organization (WHO) and U.S. Centers for Disease Control (CDC) for inclusion in flu shots given during the current flu season.
«This is the first demonstration that one can accurately anticipate in the lab
future seasonal influenza strains,» explains Kawaoka, a UW - Madison professor of pathobiological sciences who also holds a faculty appointment at the University of Tokyo.
In contrast to the yearly epidemics caused
by seasonal influenza, a pandemic can occur when a new virus emerges in a naive population and is readily transmitted from person to person [59].
Apart from the nippy weather, many of us start to notice change is in the air when the local chemist has started advertising flu vaccines to
prevent seasonal influenza and more throats become scratchy and noses sniffly on our morning commute.
The mechanisms
behind seasonal influenza outbreaks are unclear, but understanding these patterns could help health officials wrangle with a notoriously mercurial medical specter caused by a rapidly mutating virus.
In a New England Journal of Medicine perspective, experts from the National Institute of Allergy and Infectious Diseases (NIAID), part of the National Institutes of Health, and the World Health Organization (WHO) Collaborating Centre for Reference and Research on Influenza in Melbourne discuss how the process of
preparing seasonal influenza vaccines in eggs may contribute to their limited effectiveness.
One of the most baffling features of the swine flu outbreak is that,
unlike seasonal influenza, severe disease largely does not occur in the elderly.
«But, premenopausal women on certain kinds of birth control or post-menopausal women on hormone replacement may be better protected
during seasonal influenza epidemics,» she says.
The mapping, says Kawaoka, identifies clusters of viruses featuring novel mutations which, according to the new study, can effectively predict the molecular characteristics of the
next seasonal influenza virus.
Finally, 1009 - 3B06 and 70 - 1F02, which showed activity against several current and older
H1N1 seasonal influenza strains in vitro (Fig. 3 C), were also tested in vivo against antigenically distinct influenza strains.
Based on their analysis, the researchers describe a disease with the same transmission characteristics
as seasonal influenza, with the median time from infection to symptom onset being 1.4 days, symptoms lasting a median of 5.1 days, and moderate transmissibility.
There is no known human risk from H3N2 canine influenza virus; however, the risk of reassortment (or mixing together) between the canine H3N2 virus and
human seasonal influenza viruses is a potential concern.
Mexico acknowledges receipt of information and responds that in March and April the country had an unusual increase in
seasonal influenza with predominance of B strain; some cases presented with severe pneumonia in adults of reproductive age.
As many as 646,000 people are dying globally
from seasonal influenza each year, US health officials said in December, a rise from earlier assessments of the disease's death toll.
«This is the first demonstration that one can accurately anticipate in the lab
future seasonal influenza strains,» explains Kawaoka, a UW — Madison professor of pathobiological sciences who also holds a faculty appointment at the University of Tokyo.
Applicants tentatively selected for appointment to this position will be required to sign a statement (Condition of Employment) consenting to
seasonal influenza vaccinations or must provide a recognized exemption.
Influenza viruses are prevalent worldwide, and it is estimated that more than 200 000 people in the United States are hospitalized each year for respiratory and heart conditions, illnesses associated with
seasonal influenza virus infections.14 Previous epidemiological studies on associations between influenza infection during pregnancy and ASD reported mixed results.
Their findings suggest that the transmission and spread of novel H1N1 influenza are similar to those of
seasonal influenza strains.
Seasonal Influenza (Flu) 12 Aug 15.
Seasonal Influenza (Flu).
Gilmore again urged residents to take steps to prevent the spread of H1N1 and
seasonal influenza, including getting the vaccine when it becomes available to them.
The annual spikes in sore throats, fevers, coughs and chills from
seasonal influenza can change depending on the seasons preceding them, according to recent findings.
Seasonal influenza (flu) is not usually associated with diarrhea, but this season many children are reported to have it as one of their symptoms.
Scientists at Columbia University's Mailman School of Public Health developed a system to accurately predict the geographic spread of
seasonal influenza in the United States, as reported in a paper published in the journal PNAS.
Despite the limitations of
the seasonal influenza vaccine, people should still get their annual flu shot, say the authors.
Between 1990 and 1999,
seasonal influenza caused an average of 36,000 deaths and 226,000 hospitalizations per year in the U.S. Adults over 65 years old are particularly vulnerable to influenza complications, accounting for most seasonal influenza - related hospitalizations and deaths.
Anthony Fauci, head of the National Institute of Allergy and Infectious Diseases, revealed reassuring data from ongoing clinical trials that test the impact of
the seasonal influenza vaccine on the novel H1N1 product.
«The individuals in the farm family who had any illness after this individual returned, it could have been as a result of exposure to him, but again it may have been
a seasonal influenza A virus that had absolutely no relationship to the worker returning from Mexico,» says Clark.
Phrases with «seasonal influenza»