Since COVID-19, we have been flooded with reminders to wash our hands.  We’ve seen countless demonstrations, videos, public service announcements and posters showing us the proper way to complete what seems like such a minor task. 

Are you tired of hearing it?  Do you feel nagged?  Well, instead of telling you, I thought I’d let you find out if you know as much as you think you know.




 Answer the following statements as TRUE or FALSE.   DO NOT SCROLL TOO FAR DOWN or you’ll accidentally see the answers. 


  1. CDC stands for Communicable Disease Containment.


  1. For hand sanitizers to be effective they should have an alcohol content greater than 60%.


  1. When washing your hands, it’s best to use the hottest water you can tolerate when washing and cold water to rinse.  This prevents wrinkles too.


  1. The CDC recommend for maximum protection to use a hand sanitizer after washing hands with soap and water.


  1. Alcohol-free sanitizers can be as effective as those with alcohol.


  1. Hand sanitizers with a minimum of 60% alcohol will eliminate all germs.


  1. 100 proof Vodka (Smirnoff) is a good substitute for hand sanitizer if consumed three times a day for three months.


  1. People who use hand sanitizers have fewer illnesses than people using soap alone.


  1. Swallowing alcohol-based sanitizers can cause alcohol poisoning.


  1. According to the CDC antibacterial soap is preferred over regular soap.


  1. Hand sanitizers are effective at removing grease, grime, chemicals and dog slobber.


  1. The use of hand sanitizers can cause dry, cracked hands with broken skin which is prone to infection.


  1. When using a hand sanitizer, you should check the bottle to see how much to use.


  1. Washing hands with only water is not as effective as using soap and water. Soap lifts the soil and microbes from the skin and the water sends it down the drain.


  1. Hand sanitizer can be made and sold by anyone even the ice cream trucker.





  1. FALSE. CDC stands for Centers for Disease Control. The official name is Centers for Disease Control and Prevention.  Its roots began as the WW II Malaria Control in War Areas Program, founded in 1946.  Over the years, its had numerous name changes, including the National Communicable Disease Center (NCDC).  It was renamed in 1970 the Center of Disease Control (CDC).  In 1992, Congress added the words “and Prevention”, but directed the initials to be retained due to its name recognition. 


  1. TRUE. The CDC recommends a sanitizer that is at least 60% alcohol.   


  1. FALSE. The temperature of the water is insignificant.  The benefit comes from the mix of soap and water.


  1. FALSE. The CDC recommends washing hands with soap and water because it reduces the amounts of all types of germs and chemicals. Hand sanitizers are recommended when soap and water are not available.


  1. FALSE. The CDC does not recommend the use of alcohol-free sanitizers. There are some alcohol-free sanitizers that use benzalkonium chloride.  They reduce bacteria and some viruses, but not as much as alcohol-based sanitizers.  They are effective against norovirus, but not effective against respiratory viruses like seasonal flus or the COVID-19.


  1. FALSE. Hand sanitizers do not destroy all germs even when used correctly.  Hand sanitizers are not be as effective when hands are visibly dirty or greasy.  If hands are wet or sweaty, it can weaken the alcohol too much, destroying its effectiveness.


  1. FALSE. Just messing with ya.  Actually, 100 proof Vodka is only 50% ethanol and does not meet CDC guidelines to be used to wash hands.


  1. FALSE. Technically, no studies have supported that statement.  Studies that have tried to prove that have not been able to control subjects to the extent needed to rule out other possible causes.


  1. TRUE. Swallowing alcohol-based hand sanitizer can cause alcohol poisoning. The CDC states sanitizers should be formulated without bright colors or fragrances that appeal to children. From 2011–2015, U.S. poison control centers received nearly 85,000 calls about hand sanitizer exposures among children.


  1. FALSE.The Food and Drug Administration advises against antibacterial soap due to a lack of evidence of its usefulness.  They may do more harm than good over the long term if they cause skin irritation and dryness. 


  1. FALSE. Hand sanitizers do not remove dirt, grease, or general grime. Furthermore, the grease and grime on your hands can prevent the sanitizer from killing germs.


  1. TRUE. The alcohol in hand sanitizers strips away the acid mantle of the skin, removing an appropriate amount of oils and causing damage to the skin.


  1. TRUE. The CDC recommends you check the directions to see how much to use.  I know it sounds rediculous, but it's true. Data suggest that if you do not use enough or you wipe it off before it has dried, it reduces its effectiveness. 


  1. TRUE. Yes, even the use of water alone has been addressed by the CDC and found to be not effective without the soap. 


  1. FALSE. Hand sanitizer is considered a drug because it is intended to prevent disease.  Therefore, it is regulated by the Federal Food and Drug Administration.  It is illegal to advertise or sell hand sanitizer unless the manufacturer, product, and ingredients have been registered with and pre-approved by the FDA.  However, you can make it for your personal use and to give away. 



    Count the number you got correct and divide by 15.  Or just look at the scale below:

    15 Correct—100%       Excellent!  You're A Star.

    14 correct—93%  A      Good Job!

    13 correct—87% B       Good Job!

    12 correct—80% B       Average

    11 correct—73% C        Nothing to brag about.

    10 correct—66%  D       You May Not Know Enough to Avoid COVID-19!

    9 correct –60%              You Should Print and Post the Answers.

    Below 9---F                   The CDC is coming after you!






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