(HealthDay)—Don't let this year's flu season catch you by surprise.
(HealthDay)—Don't let this year's flu season catch you by surprise.
(HealthDay)—Swedish researchers report that the vaccine against the H1N1 "swine flu" strain of influenza doesn't seem to have a link to birth defects.
The Zika virus has struck fear throughout the Americas, but determining whether people have been infected can be difficult.
The swine flu vaccine, when administered to pregnant women, caused neither fetal injury nor infant death, writes Karolinska Institutet professor Johan F Ludvigsson an opinion piece in Tuesday's Dagens Nyheter in conjunction ...
The pharmacy chain pitches started in August: Come in and get your flu shot.
The news that the nasal spray form of the influenza vaccine will not be available this year should not stop anyone from getting vaccinated against the flu virus, according to an expert at Baylor College of Medicine's Influenza ...
A molecule the body produces naturally in response to virus infection could be a viable flu treatment in the future, suggest researchers at the Francis Crick Institute in London.
A computer model developed by scientists at the University of Chicago shows that small increases in transmission rates of the seasonal influenza A virus (H3N2) can lead to rapid evolution of new strains that spread globally ...
Dana-Farber Cancer Institute investigators report they have discovered a type of immune antibody that can rapidly evolve to neutralize a wide array of influenza virus strains - including those the body hasn't yet encountered.
A network of researchers in the United States and Canada will try to spare thousands of patients the dangers of heart attacks and hospitalizations over the next five years in a trial of a high-dose flu vaccine.
In mouse studies, researchers from the Johns Hopkins Bloomberg School of Public Health have found that progesterone – a female sex hormone contained in most forms of hormone-based birth control – appears to stave off ...
Kids may get more of a sting from flu vaccination this fall: Doctors are gearing up to give shots only, because U.S. health officials say the easy-to-use nasal spray version of the vaccine isn't working as well as a jab.
UNSW scientists have identified three new strains of highly contagious norovirus that are responsible for a major new epidemic of viral gastroenteritis that has affected hundreds of thousands of Australians over winter.
A new study from scientists at The Scripps Research Institute (TSRI) shows that "holes" in HIV's defensive sugar shield could be important in designing an HIV vaccine.
Removal of parasitic cyst from boy's brain
Influenza, commonly referred to as the flu, is an infectious disease caused by RNA viruses of the family Orthomyxoviridae (the influenza viruses), that affects birds and mammals. The most common symptoms of the disease are chills, fever, sore throat, muscle pains, severe headache, coughing, weakness/fatigue and general discomfort. Although it is often confused with other influenza-like illnesses, especially the common cold, influenza is a more severe disease than the common cold and is caused by a different type of virus. Influenza may produce nausea and vomiting, particularly in children, but these symptoms are more common in the unrelated gastroenteritis, which is sometimes, inaccurately, referred to as "stomach flu." Flu can occasionally cause either direct viral pneumonia or secondary bacterial pneumonia.
Typically, influenza is transmitted through the air by coughs or sneezes, creating aerosols containing the virus. Influenza can also be transmitted by direct contact with bird droppings or nasal secretions, or through contact with contaminated surfaces. Airborne aerosols have been thought to cause most infections, although which means of transmission is most important is not absolutely clear. Influenza viruses can be inactivated by sunlight, disinfectants and detergents. As the virus can be inactivated by soap, frequent hand washing reduces the risk of infection.
Influenza spreads around the world in seasonal epidemics, resulting in the deaths of between &10000000000250000000000250,000 and &10000000000500000000000500,000 people every year, up to millions in some pandemic years. On average 41,400 people died each year in the United States between 1979 and 2001 from influenza. In 2010 the Centers for Disease Control and Prevention (CDC) in the United States changed the way it reports the 30 year estimates for deaths. Now they are reported as a range from a low of about 3,300 deaths to a high of 49,000 per year.
Three influenza pandemics occurred in the 20th century and killed tens of millions of people, with each of these pandemics being caused by the appearance of a new strain of the virus in humans. Often, these new strains appear when an existing flu virus spreads to humans from other animal species, or when an existing human strain picks up new genes from a virus that usually infects birds or pigs. An avian strain named H5N1 raised the concern of a new influenza pandemic, after it emerged in Asia in the 1990s, but it has not evolved to a form that spreads easily between people. In April 2009 a novel flu strain evolved that combined genes from human, pig, and bird flu, initially dubbed "swine flu" and also known as influenza A/H1N1, emerged in Mexico, the United States, and several other nations. The World Health Organization officially declared the outbreak to be a pandemic on June 11, 2009 (see 2009 flu pandemic). The WHO's declaration of a pandemic level 6 was an indication of spread, not severity, the strain actually having a lower mortality rate than common flu outbreaks.
Vaccinations against influenza are usually made available to people in developed countries. Farmed poultry is often vaccinated to avoid decimation of the flocks. The most common human vaccine is the trivalent influenza vaccine (TIV) that contains purified and inactivated antigens against three viral strains. Typically, this vaccine includes material from two influenza A virus subtypes and one influenza B virus strain. The TIV carries no risk of transmitting the disease, and it has very low reactivity. A vaccine formulated for one year may be ineffective in the following year, since the influenza virus evolves rapidly, and new strains quickly replace the older ones. Antiviral drugs such as the neuraminidase inhibitor oseltamivir can be used to treat influenza, however the effectiveness is difficult to determine due to much of the data remaining unpublished.
(HealthDay)—People suffering from chronic ringing in the ears—called tinnitus—may find some relief by spraying the hormone oxytocin in their nose, a small initial study by Brazilian researchers suggests.
(HealthDay)—Deep brain stimulation—a technique that sends targeted electrical impulses to certain areas of the brain—may help people who've had a traumatic brain injury gain more independence, a new study suggests.
(HealthDay)—The thousands of miles of aging, corroding pipes that bring water to Americans each day may be home to dangerous drug-resistant bacteria, a new report warns.
Previous studies have shown a correlation between the design of cities and growing epidemics of injuries and non-communicable diseases such as heart disease, diabetes and cancer. A three-part series published in The Lancet ...
Researchers at Karolinska Institutet have managed to produce the first molecular map of the genes that are active in the various cells of the human pancreas. They have also revealed differences in genetic activity between ...
Scientists have made an important new discovery in the study of Human African Trypanosomiasis, more commonly known as African sleeping sickness. The findings could have a major impact on the way the disease is diagnosed, ...
Chronic pain and loss of bladder control are among the most devastating consequences of spinal cord injury, rated by many patients as a higher priority for treatment than paralysis or numbness. Now a UC San Francisco team ...
Scientists are getting closer to being able to predict an individual's genetic risk of heart disease, paving the way for earlier intervention and lifestyle changes.
Rafal Ciosk and his group at the FMI have identified an important link between the Notch signaling pathway and PRC2-mediated gene silencing. They showed that a fine balance between epigenetic silencing and signaling is crucial ...
Stress is a common problem often resulting in poor health and mental disorders. New research has revealed that current concepts on how stress hormones act on the brain may need to be reassessed.