Fostering curiosity in kids (and their parents) since 2011

“Why is it called that?”: The Chickenpox Edition

Relax, guys, this one’s not your fault. (Image: Shala Howell)

This question is far too old and my notes far too scanty to give you any reliable context for how it came up. But I can make a few guesses. Since the few notes I have on this topic date from the time The Five-Year-Old went in for her last well-child exam, it could be that The Five-Year-Old was asking why we had to celebrate her birthday by giving her quite so many shots — a question that would naturally have launched a discussion of the various diseases. On the other hand, she could simply have asked why I have a scar on my nose…. Come to think of it, there are probably as many ways this question could have come up as there are answers to this question.

Why is chicken pox called chicken pox?

Option #1: The name chicken pox comes from cicer, the Latin word for chickpea.

Back in the day, folks decided that chickenpox blisters look like/are the same size as chickpeas. Pox or pocks being an ancient term for any disease that causes boils and blisters to break out on the skin, it was only logical to put cicer and pox together to come up with chickenpox. (Via Reader’s Digest and KidsHealth)

Option #2: The name comes from gican, the Old English word for itch.

Also from the Reader’s Digest comes the idea that chickenpox was named for its other dominant symptom — extreme itchiness. Pair the Old English word for itch, gican, with the Old English pox and you’ve got gicanpox. Really not hard to imagine that becoming corrupted into chickenpox, is it? (Via Reader’s Digest)

Option #3: Chicken pox isn’t as bad as small pox, and the word chicken can also mean weak or timid.

Smallpox is a terrible disease. The virus behind chicken pox, varicella, is highly infectious and itchy, but it’s not nearly as terrible. So to distinguish it from the more virulent smallpox, doctors and scientists took to calling this weaker form of the pox chickenpox. (From The Straight Dope)

Option #4: The obligatory chicken theory.

Once upon a time folks thought the pustules caused by chickenpox looked like the peck marks left by chickens. (Via KidsHealth)

So many theories. How to choose the best one? Let’s see what the Shorter OED has to say.

Chickenpox [perh. from the mildness of the infection] a mild eruptive disease due to viral infection, chiefly affecting children; also called varicella

Looks like we’ll be going with Option #3. Scientists called this disease chickenpox because it just isn’t as awful as the smallpox.

4 Responses to ““Why is it called that?”: The Chickenpox Edition”

  1. Victoria

    When I was young (3 or 4), I got cowpox (even milder than chickenpox mostly on hands and feed) at a petting zoo. What I’ve been told (although, I don’t think I’ve ever confirmed with a medical professional), it that cowpox is what’s used to immunize against smallpox.


  2. Susan

    I traveled abroad as a baby back in the day when smallpox vaccines were still recommended in some parts of the world (although no longer in the U.S), and I still have the scar. I was immunized with cowpox, which is a reasonable name since it actually is transmitted by cows.

    I now live in Switzerland, and although babies and small children are immunized against 10 different diseases here, chickenpox is not one of them. The vaccine is only given to children on the verge of puberty who have not already had the disease since chickenpox can be dangerous for adults. Both of my kids have already had the illness. Oddly, the vaccine is commonly given in Germany, which otherwise has identical vaccine recommendations as Switzerland. I’ve still never heard a satisfactory explanation for why this disease is treated differently.



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