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By Fire Chief Sam DiGiovanna

November 5, 2018 (San Diego) -- Though fire season is pretty much year round we can take preventive measures to prevent the start and spread of them. We educate and encourage those living in wildland fire-prone communities, to follow the “Ready, Set, Go” model to properly prepare for wildfires

But there’s another dangerous “season” out there we need to be aware of.

Flu season is among us and, as with fire, it’s important to take preventive measures and prepare your resources (you!). When it comes to being exposed to airborne and bloodborne pathogenic germs, firefighters are among the most at risk.

And this is not just a little inconvenience that one or two sick days can cure. Emergency rooms become saturated this time of year with people suffering from the flu, which generally peaks between December and April . Harvard Medical School estimates that 36,000 people die and more than 200,000 are hospitalized each year in the U.S. due to flu.

So, how’s your personal “Prevention Bureau” doing? Are you taking preventive measures to mitigate your risk for flu? Have you and your family received the flu vaccine? How about those you work with? Are you stocked up on over-the-counter medications?

If you think about it, firefighting and “flu fighting” are very similar. Both start out small, but if not rapidly attacked, they develop into a much worse situation. Let’s look at this similarity a little more closely.

Incipient Fire—This first stage begins when heat, oxygen and a fuel source combine and have a chemical reaction resulting in fire. This is also known as “ignition” and is usually represented by a very small fire that hopefully goes out on its own before severe stages are reached. Recognizing a fire in this stage provides your best chance at suppression or escape.

Cold/Flu—The incipient stage is the incubation period, or the time it takes for a person who has been exposed to the virus to become infected (think of infection as ignition). The Merck Manual’s Online Medical Library section on influenza reports the incubation period may be from one to four days (first stage), averaging about 48 hours from exposure.

Free Burning Fire—As the fire grows, the structure’s fire load and available oxygen are used as fuel for the fire. The fire starts rapidly spreading to other parts of the building, creating more damage. It is during this shortest of the four stages when a deadly “flashover” can occur, potentially trapping, injuring or killing firefighters.

Cold/Flu—The U.S. Library of Medicine defines communicability as the time it takes an infectious agent to be transmitted from an infected person to another person (spreading rapidly). Once infected with influenza-type illnesses, the affected person may begin shedding the virus to others one day before signs and symptoms occur and continue to be contagious after symptoms begin. Prevention is all but impossible at this stage of the disease.

Fully Developed Fire—When all combustible materials have been ignited, a fire is considered fully developed. This is the hottest phase of a fire and the most dangerous for anybody trapped within it. At this point our efforts are generally focused on protecting endangered structures. We surround the fire, apply massive amounts of water and let the contents burn themselves out.

Cold/Flu—Fighting a fully developed flu virus is not much different. You position yourself in a safe place (usually your bed!) and “surround and drown” with fluids/rest . You generally cannot do much except protect exposures (others) by limiting your contact with them.

Flu Prevention Bureau

If fighting the flu has similarities with fighting fire, we can extend the metaphor a little further. In the fire service we rely on our Fire Prevention Bureau to educate the public as to the common causes of residential fires. We understand that a little education goes a long way in preventing fires. Well, the flu is no different, except this time we’re educating ourselves! So, following are a few tips from your friendly Flu Prevention Bureau:

  • Wash your hands. The most important prevention measure for preventing colds and flu is frequent hand washing. Rub your hands with warm soapy water for at least 20 seconds to slough germs off the skin.
  • Get a flu vaccine. Within two weeks of getting a flu vaccine, antibodies develop in the body and provide protection against flu. Children receiving the vaccine for the first time need two doses delivered one month apart.
  • If you get exposed or get sick, take action. Give yourself time to recover, with plenty of fluids and lots of rest. Seek medical help if your symptoms don’t improve. Antiviral medicine may also help prevent flu if you have been exposed to someone with flu symptoms.

In this flu season, take steps to protect your health and the health of those around you. Check with your NFPA—or Nearest Family Physician Available—for additional preventive measures on reducing this risk!

--Fire Chief Sam DiGiovanna

*Note: The information in this article was compiled from various sources. These suggestions are not a complete list of every preventative or loss control measure. The information is not intended to replace additional safety manuals or the advice of another qualified professional(s). We make no guarantee of results from use of this information. We assume no liability in connection with the information nor the suggestions made.



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Antiviral medication*

Xofluza (Baloxavir) is a new medicine just approved by the FDA for fighting the influenza virus. It appears quite effective and safe, with few side effects.