Autumn marks the arrival of flu season, and this year, in addition to the flu bugs that typically strike, Americans have the H1N1 virus to worry about. As a result, consumers are taking a number of steps that they hope will prevent them from catching the flu. One simple way they are doing so is by purchasing hand sanitizers, sales of which have skyrocketed in the last six months, according to new data from The NielsenIQ Company. In the 24 weeks ending October 3rd, dollar sales of hand sanitizers were $118.4 million, up 70.5% over the same period a year ago ($69.4 million).

On a unit basis, sales were up 63.1%, while equivalized unit volume (a conversion that equivalizes products of varying sizes) jumped 81.9%. For the 52 weeks ending October 3rd, dollar sales grew 22.5 percent to $179.7 million, while unit sales were up 17.8%. On an equivalized unit volume basis, sales grew 55%.

Sales hit a peak in the four week period ending May 16, 2009 as news of H1N1 outbreaks were all over the news. This was the highest period in the three years that NielsenIQ has tracked sales of the product. Sales subsided during the summer months, but then hit their second highest sales period during the four weeks ending October 3, 2009.

NielsenIQ tracks the sales of consumer goods in U.S. food, drug and mass merchandiser stores, including Walmart.

Concerned Parents

All through the back-to-school season and amid news of the availability (or scarcity) of a vaccine, online conversations around H1N1 (still commonly referred to as Swine Flu by many consumers online) continue to be among the hottest of web topics. The conversations around the flu are particularly active on parenting and pregnancy sites. A detailed look at that segment shows that on Oct. 25th 17.5% of all buzz on parenting/pregnancy blogs focused on the virus.