An important question about the retrovirus XMRV, which has been implicated in prostate cancer and chronic fatigue syndrome, is where the virus replicates in humans. Such information would provide clues about how infection might be transmitted. To date the virus has been detected in malignant prostate cells and in the peripheral blood mononuclear cells and …
Influenza virus may be transmitted among humans in three ways: by direct contact with infected individuals; by contact with contaminated objects (called fomites, such as toys, doorknobs); and by inhalation of virus-laden aerosols. The contribution of each mode to overall transmission of influenza is not known. But something that most of us touch on a …
Influenza virus is infectious for days on banknotes Read More »
Hosts: Vincent Racaniello, Dick Despommier, Alan Dove, and Cliff Mintz On episode #56 of the podcast ‘This Week in Virology”, Vincent, Dick, Alan, and Cliff answer questions from listeners on swine influenza origins, transmission, virulence, and vaccines, HIV and AIDS, and more. [powerpress url=”http://traffic.libsyn.com/twiv/TWiV056.mp3″] Click the arrow above to play, or right-click to download TWiV …
In temperate climates, influenza displays distinct seasonality: infections mainly occur from November through March in the northern hemisphere, and from May to September in the southern hemisphere. The results of experiments in guinea pigs have revealed that aerosol transmission of influenza virus is most efficient in cold and dry conditions, and completely blocked at warm …
We’ve had several discussions on the value of personal protective equipment (PPE) in preventing influenza infection. CIDRAP has an excellent summary of an Institute of Medicine meeting on this subject. The IOM has been asked to make recommendations about how to protect healthcare workers against swine-origin H1N1 influenza. An unpublished study of respiratory protection in …
While perusing the cleaning items at the supermarket last night, I spotted the words ‘Kills Flu Virus’ on a bottle of toilet bowl cleaner. Do toilets play a role in transmission of influenza? Influenza is an infection of the respiratory tract. The virus enters the tract in aerosols or by contact with saliva or other …
