Tag: immunity

Should I Stop Calling Chickenpox and Measles Diseases?

Sherri Tenpenny wants us to stop calling chickenpox and measles diseases.

She thinks that we should call them infections instead…

Should I Stop Calling Chickenpox and Measles Diseases?

If you are like most people, you are probably thinking to yourself and maybe even shouting at your computer screen right now, “who cares what you call them, just get vaccinated and stop the outbreaks!”

When you vaccinate to avoid an infection, what you are potentially doing is preventing a death!
When you vaccinate to avoid an infection, what you are potentially doing is preventing a death!

Believe it or not, there is actually some precedent for changing the way we talk about diseases. While you may still refer to them as STDs, or sexually transmitted diseases out of habit, the prefererable term is actually STI, or sexually tranmistted infection.

Of course, this has nothing to do with Tenpenny’s reasoning.

“Why the change? The concept of ‘disease,’ as in STD, suggests a clear medical problem, usually some obvious signs or symptoms. But several of the most common STDs have no signs or symptoms in the majority of persons infected. Or they have mild signs and symptoms that can be easily overlooked. So the sexually transmitted virus or bacteria can be described as creating ‘infection,’ which may or may not result in ‘disease.’ This is true of chlamydia, gonorrhea, herpes, and human papillomavirus (HPV), to name a few.

For this reason, for some professionals and organizations the term ‘disease’ is being replaced by ‘infection.'”

ASHA on STDs/STIs

In fact, their definitions sound nothing like Tenpennys…

Unfortunately, many STIs, even if they aren’t causing symptoms and disease, can still be contagious.

Measles and chickenpox don’t do that. Although you can be contagious just before you start to have symptoms, you will very quickly develop symptoms.

It is true that some viruses and bacteria can lead to subclinical infections, in which you develop immunity without ever developing symptoms, but that doesn’t usually happen with measles and chicken pox.

Polio is one of the best examples of when it does happen. Remember, nearly 75% of kids who got polio never had any symptoms. Tragically, those symptoms could be severe in the small percentage who did.

So as usual, Sherri Tenpenny is wrong.

Chickenpox and measles are infections that cause disease. And while most people recover after 7 to 10 days of symptoms, including a high fever and rash, some don’t.

Both also put you at risk for long-term complications, namely shingles and SSPE.

Remember, if you listen to folks like her and skip or delay your child’s vaccines and they get chickenpox or measles, the only thing you are doing is causing more people to get sick. A catchy slogan won’t prevent that or keep your kids healthy.

More on Diseases vs Infections

Titers for Vaccine vs Natural Immunity

It probably seems like a silly question, but can titers help you tell the difference between vaccine induced vs natural immunity?

After all, you should know if you had the disease naturally or if you had a vaccine, right?

Titers for Vaccine vs Natural Immunity

Still, there might be situations in which you need to know if someone has immunity and you want to know if it was vaccine induced or if they earned their immunity naturally.

Unfortunately, you typically can’t, especially as most vaccines mimic having a natural infection.

In a few situations, if a vaccine targets a very specific part of a virus or bacteria, it may be able possible to tell the difference between vaccine-induced and natural immunity though.

anti-HBs is positive with natural infections and vaccination, but only anti-HBc is positive after a natural infection.

The hepatitis B vaccine, for example, is derived from HBsAg particles, so won’t induce antibodies against hepatitis B core antigen or other hepatitis B proteins.

Most other vaccines, like MMR and Varicella, aren’t so specific. Titers might just show that you are immune, although titer tests aren’t always sensitive enough to pick up vaccine-induced immunity. That’s why, expect for a few high risk situations, titer testing isn’t usually recommended.

More on Titers for Vaccine vs Natural Immunity

Should I Be Worried That My Kids Didn’t Get the Smallpox Vaccine?

Routine vaccination with smallpox vaccines ended in the US in 1972, a short time before smallpox was declared eradicated (1980).

Do you have a smallpox vaccine scar?
Do you have a smallpox vaccine scar?

It was also before the last case of wild smallpox was found (1977).

Why?

Because smallpox had been declared eliminated in North America long before (1952), following the last natural outbreak of smallpox in the United States (1949).

Should I Be Worried That My Kids Didn’t Get the Smallpox Vaccine?

Although smallpox has been eradicated, some folks still worry about it.

“There are now only two locations where variola virus is officially stored and handled under WHO supervision: the Centers for Disease Control and Prevention in Atlanta, Georgia, and the State Research Center of Virology and Biotechnology (VECTOR Institute) in Koltsovo, Russia.”

CDC on History of Smallpox

Of course, the concern now is not naturally occurring smallpox, but instead bioterrorism.

Could the smallpox virus be made into a weapon to be used in a bioterrorist attack?

We hope not, but if it was, none of us would be immune, not even the folks who were vaccinated long ago. The smallpox vaccine doesn’t provide life-long immunity.

So should you be worried?

“Some people have been vaccinated through the military or because they were part of Smallpox Response Teams that were formed after the 9/11 terrorist attacks.”

CDC on Why is Smallpox a Concern?

Almost certainly not.

Plans are in place if there ever was a smallpox attack and if necessary, there is actually enough smallpox vaccine stockpiled to vaccinate everyone in the United States!

More on Smallpox Worries

How Long Does It Take for the Flu Vaccine to Start Working?

Flu shots work.

They aren’t perfect, but they can help prevent you from getting sick with the flu and have other benefits.

How Long Does It Take for the Flu Vaccine to Start Working?

They don’t work immediately though.

“It takes about two weeks after vaccination for antibodies to develop in the body and provide protection against influenza virus infection.”

Key Facts About Seasonal Flu Vaccine

That’s why you don’t want to wait until the last minute to get your flu vaccine.

I made sure to get my flu shot well before the start of flu season.
I made sure to get my flu shot well before the start of flu season.

You want some time for it to start working, so that you can be sure that you are protected.

So while some folks talk about getting a flu vaccine too early, you do want to make sure that you get it in time to get protection before flu is active in your area. Still, it is never too late to get a flu vaccine. It is better to get a flu vaccine late in the flu season than to skip it all together.

What about younger kids getting their flu vaccine for the first time and who need 2 doses? When do they start getting protection?

“The first dose “primes” the immune system; the second dose provides immune protection.”

Study Looks at Flu Vaccine Dosing in Children

Although they likely have some protection after that first dose, the best protection will begin 10 to 14 days after their second dose.

More on Flu Vaccine Protection