Yellow fever virus is mainly transmitted to people by A. Aeqypti, but other mosquitoes can also spread the virus among humans, including Aedes albopictus and Aedes africanus.
It's possible to be infected with the 2009 influenza H1N1 strain (or any influenza virus strain) more than once. The most likely scenario is contacting the virus soon after the first infection, before the...
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. Th e...
There is no soy in any influenza 2009 H1N1 vaccine. Multi-dose vials of inactivated vaccine contain thimerosal; in addition the Canadian inactivated vaccine contains an adjuvant. Most of the influenza vaccines...
Yes, you can get shingles even if you had the varicella vaccine, but it's quite rare. One study on this topic has just been published in the September 2009 issue of the Pediatric Infectious Diseases J ournal...
Airplanes are extremely high risk factors for influenza. Studies have shown that over 50% of passengers may be infected on an airplane when there is only one individual on board with active influenza. Take...
Yes, you need to be immunized against the 2009 H1N1 influenza virus. Although the vast majority of infected people will recover without complications, it can be fatal in some individuals. The risk of severe...
From a virology standpoint, an epidemic becomes a pandemic when there are global epidemics. WHO has its own definition, but there were pandemics long before WHO, and its definition is intended to help pandemic...
In general, people are afraid of influenza because of the high mortality of the 1918 virus, and also due to media attention given lethal infections with avian H5N1 strains. Should the new strain infec t...
Gallo developed the first ELISA to detect HIV-1, which was announced by HHS Secretary Margaret Heckler in April 1984, before publication of the discovery of the virus in Science. The next year the Pas teur...