Do Orthodox Jews believe in vaccinating?

Dear Jew in the City,

Lock the kids up…do not sicken everyone. You have no right to impose your beliefs against vaccination on the rest of society.

If you don’t see it this way…advice…leave this country. Go to someplace where ignorance and stupidity are bliss.  America is NOT such a place.  We lose ours, you will lose yours.



Dear M.A.,

Though you have not specified which children you’d like to lock up, based on the news, I’m assuming your message is related to a recent outbreak of measles in California and the news that a percentage of kids in Jewish day schools in California are not vaccinated.

From the tone of your email you are obviously very upset with what’s going on, but you are also misinformed. There is no Jewish law against vaccinations. In fact, most rabbis are probably strong supporters of them. (A big haredi (ultra-Orthodox) rabbi – whose wife is into alternative medicine -advised against vaccines in the last year, but there was a big pushback among even his most ardent followers.)

When it comes to health care, the basic principle in Judaism is to use the best medical knowledge and treatment that’s available. Preserving life is one of the most important ideas within Judaism, and we are instructed to break  nearly every commandment in the Torah in an effort to save a life. (This, by the way, is known as pikuach nefesh.)

Now there are certainly some Orthodox families that don’t vaccinate or space out their vaccinations because they believe that alternative/non-mainstream medicine is the healthiest choice for their families. But there are families of all religious backgrounds that adhere to this way of thinking/lifestyle, and it has nothing to do with Judaism specifically.

I’m glad that you reached out to me so that we could clear this confusion up, but next time you might consider doing some research about a subject before you start making threats.

All the best,

Allison (aka Jew in the City)

P.S. – For a detailed discussion of the Jewish laws and practices pertaining to vaccinations, click to read this article from Hakhirah Journal: Vaccination in Halakhah and in Practice in the Orthodox Jewish Community by Asher Bush

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  • Avatar photo Aliza Hausman says on February 16, 2010

    I’m glad you were able to turn around this obvious piece of anti-Semitic hate mail into a lesson on what Judaism does or doesn’t preach. But it’s really sad that people sit down and write letters like this. Every single news article I’ve read regarding the mumps outbreak has elucidated all the points that you made in your response. It’s amazing that people can’t even see, or read, past their hate.

  • Avatar photo Allison says on February 16, 2010

    Even with my logical response, Aliza, it probably won’t make much of a difference since anti-Semitism is rarely based on rational ideas.

  • Avatar photo Rebecca says on February 17, 2010

    Kol HaKavod for not blowing up at this-individual. Thank you for your polite and thorough response.

  • Avatar photo Ilana says on February 17, 2010

    I’m impressed that you managed such a rational and kind tone, replying to such vitriol. I hope they read your excellent response!

    One nitpicky thing: about pikuach nefesh I would have said, “We are instructed that it is acceptable to break nearly any commandment in order to save a life”. The way you wrote it, it could be misconstrued as you saying that breaking commandments is the rule, not the exception in order to save a life. Anyway, this is a very small phrasing thing.

    • Avatar photo Shlomo says on August 4, 2014

      Actually we are required to break commandments in order to save a life. The point that becomes blurry is where does something move from a plain sickness to pikuah nefesh. At the grey area where it is not clear, that is the point that things may considered permissible as opposed to obligatory. An example of this is the blanket prohibition of a woman within 7 days of giving birth of fasting on Yom Kippur, and that any melacha must be done on her behalf.

      The Manchester Rav had a heart attack on Shabbat. While the EMTs were rolling him out to the ambulance, he was smiling and wishing everyone a good shabbos. He was asked why he was smiling when Shabbat had to be broken on his behalf. He answered that just as it was a mitzvah not to do melacha on Shabbat, it was also a mitzvah to do go to the hospital when one needs to.

      • Avatar photo Beth Jacobs says on March 7, 2018

        Women do not fast on Yom Kippur for 3 days after birth, not 7.
        As always, awesome site!

        • Avatar photo Yelena Z says on October 26, 2018

          Actually it is 7 days. Original poster was correct.

          • Avatar photo Beth Jacobs says on July 28, 2019

            My mom gave birth 5 days before Yom Kippur and was required to fast. (She had an IV for hydration, which is not considered drinking according to Jewish law)

  • Avatar photo Melanie says on February 17, 2010

    I wonder if the person even feels ashamed now that they know the truth? Probably not since they felt this way in the first place. You handled it very well. B”H that you could be so level headed.

  • Avatar photo Akiva says on February 17, 2010

    Ilana, I wanted to respond to your comment on pikuach nefesh (saving a life). You are right that the concept of pikuach nefesh is generally used in the sense of permitting (rather than requiring) the breaking of a commandment to save a life. However, pikuach nefesh is related to the Biblical commandment of v’chai bahem (“you should live by them”) – which the Talmud understands to mean “you should live by the commandments, and you should not die by them.” Through this positive commandment, the Torah does in fact require one to break almost any commandment to save a life. I imagine that JITC was using pikuach nefesh loosely to encompass v’chai bahem, since pikuach nefesh is a more widely recognized term.

  • Avatar photo Kathy says on February 17, 2010

    There are many angry people in this world who are misinformed. No big deal. We just have to educate them and when they eventually learn, they too will have the privileged of turning another angry person around.

    I think it comes with age, which in turn brings wisdom, which in turn brings patience. Having a good teacher doesn’t hurt, either.

  • Avatar photo Lily says on February 17, 2010

    We were blamed for the Black Death,too…This is about anti-semitism,not this specific mumps outbreak…You were sooooo nice, I don’t know that I could have been…

  • Avatar photo Jaime says on February 21, 2010

    I know it exists, but still can’t believe such hate speech is still so fervent. Might I point out that the irony of the person saying “Go to someplace where ignorance and stupidity are bliss America is NOT such a place.”, when it is they who are actually the ignorant one! I hope they read your response.

  • Avatar photo Rebecca says on February 25, 2010

    did the person ever respond?

  • Avatar photo Kelly says on March 7, 2010

    I don’t understand- if this person and their child is vaccinated (which it would seem) why should they worry?

    • Avatar photo Beth Jacobs says on March 7, 2018

      If most of the population is vaccinated, those children who CANNOT be vaccinated (because they are sick and their bodies cannot muster an immune response) or those who are immunosuppressed (immune systems not working properly for whatever reason) can rely on what is known as herd immunity to keep them safe. If the neighbor of such a person is vaccinated and catches a disease, their immune system will immediately vanquish it and the disease will never be catchy – so the vaccine protects both the neighbor as well as the person who cannot be vaccinated/is immunosuppressed.
      If, however, the neighbor was NOT vaccinated, caught a disease and was spreading it, and high fived HIS/her neighbor who wasn’t vaccinated (spreading the disease), the unvaccinated person could die. The neighbor would probably be okay because s/he has a healthy immune system. Not so for the unvaccinated person.
      If people don’t get their vaccinations, they risk spreading diseases and harming vulnerable people. Pro-vaccination people believe that everyone who can should be vaccinated because it’s not just about protecting yourself – it’s about protecting others. This guy was angry that people were unvaccinated (justified) but expressed his anger at a whole group of people (classic anti-Semitism).

  • Avatar photo Dr. Ohana says on June 15, 2011

    From your local pediatrician,

    The New York Orthodox Jewish community was vaccinated well above the national level. (Greater than 90 percent to nationally 75%) Vaccinations are not a 100 percent guarantee from getting that illness – just around a 95%. So in 100 kids, 5 of them are still vulnerable if they get exposed to something like mumps. New York is lucky Orthodox Jews are so provaccine or they would be struggling with wildfire spread – like pertussis in California.

  • Avatar photo Tony says on April 24, 2013

    This knucklehead sounded off to aggressive. You can ask a question and ask it in a respective manner. I do not agree with vaccines as I believe they do damage to people, so I try to stay away from this. I am not jewish, but peace to my jewish bruthas!

  • Avatar photo zvi blech says on February 4, 2015

    definitely not a specifically Jewish issue

  • Avatar photo bill price says on February 4, 2015

    Dear Allison: I guess I’m a pro-semite. I only wish I lived near a jewish community. my “best e-mail friend” is a very observant jew and i learn so much from him. I only wish there were observant jews living nearby (I’m in rural Virginia) whom I could befriend and learn from. I’m a mormon, and feel a tie to jews. I support Israel and groups like MDA.

    I would gladly fly among a group of orthodox jews so i could listen to and learn from them as I learn from you in JITC.

    So much wisdom; nothing to hate or get upset over.



  • Avatar photo Rabbi Issamar Ginzberg says on February 6, 2015

    according to most poskim (halachic decisors) anyone who does not vaccinate their children violates several halachic commandments: endangering their own lives, teh lives, of tehir children, and all the kids with whom their kids come in contact.

    Some people, be they religious jews, or from anywehre within society, that feels that vaccines are some kind of big government/big pharma sinister plot need to be referred as a group, just like those who believe any other radical form of .

    Their religion is certainly not the place from which this mishugass comes from.

    Thank you for sharing the truth! 🙂

  • Avatar photo JL says on February 19, 2015

    to Rabbi Issamar Ginzberg: according to most poskim
    who did you ask? did you ask Rabbi Chaim Kanievsky?
    most poskim only know what is commonly known through mainstream media and medical doctors who are all misinformed about the safety and efficacy of vaccines. if you would take the time to look at the cdc website and at VAERS and the medical journals and the studies done you will see something very different than what the doctors and the media say. it is amazing how everyone just repeats what they hear and don’t even bother to read the CDC’s information, to read a package insert on the actual vaccine and to actually read the studies. i am not talking about anti vaxx websites here. i am only talking about facts.

  • Avatar photo Mike says on March 13, 2019

    Well this may be true in the United States but not so in Israel, where significant measles outbreaks have occurred over the last few months almost exclusively in the Haredi communities in different parts of the country.

    • Avatar photo Allison Josephs says on March 14, 2019

      The crazy thing is that most haredi rabbis say to vaccinate. There are only a few who oppose it, and the anti-Vaxxers cite them.

  • Avatar photo Religion, law and the constitution | Religion: Is it bad for us? - Religion, law and the constitution says on April 4, 2019

    […] Do Orthodox Jews Believe in Vaccines Jew in the City (3/2/15) […]


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