Category: Babies & ToddlersQ&As

Should I Vaccinate my Baby?

Published : Nov 13, 2025
By Dr. Ana Aznar

“I know all of the rhetoric around vaccines lately but should i stop after my baby’s 15 month vaccines? My partner says they’re poison but I’m torn. Thx” 

A doctor making a vaccination to a child

I understand you are worried about it but I really encourage you to keep vaccinating your child.  

Let me tell you why: 

  • The idea that vaccines are harmful has been going around almost since the start of vaccines in the 1800s. The anti-vax movement grew stronger in the 1990s when Doctor Andrew Wakefield published an article linking autism with the MMR vaccine. That study was full of problems, so many that it was retracted a few years later. In 2010 Dr Wakefield was forbidden from practicing medicine.  
  • Since then, the anti-vax movement has spread much misinformation. They have blamed autism and other neurodevelopmental problems on vaccines; claimed that vaccine supporters are being paid off by pharmaceutical companies; and argued that other public health improvements have rendered vaccines unnecessary.  
  • The US anti-vaccine movement is especially strong now, partly because of the Trump administration spreading misinformation. As a result, there are outbreaks of measles in the US. Early this year, two unvaccinated children died of measles in Texas. According to the CDC the last time a child had died of measles in the US was in 2003.  
  • Are parents right choosing not to vaccinate their children? NO. There is NO evidence saying that vaccines are bad for your baby. On the contrary, it is estimated that in the past 50 years, 154 million lives have been saved by vaccines. There is plenty of evidence showing that choosing not to vaccinate your child places him at risk of contracting potentially deadly diseases.  
  • You should also consider that when you choose not to vaccinate your baby, you are putting other babies at risk. To give you an example, an 8-year-old named Liam died of Haemophilus Inluenzae Meningitis this year in Indiana. We’ve had a vaccine for this disease since the 1980s. Liam was vaccinated but many kids around him were not. Choosing not to vaccinate your child is not a personal choice that will only affect your child, it will affect other children. We need very high vaccination rates for diseases that have been almost eradicated not to come back. Measles, for example, is so infectious that each case leads to 12-18 additional cases. We require over 95% of the population to be vaccinated for all of us to be protected against measles. Vaccines have worked so well that we are forgetting they prevent our children dying from horrible diseases.  
  • The controversy around vaccines and autism is still strong. We have many long-term studies showing that there is no link between vaccines and developmental disorders or autism. For example, one study followed around 537,000 children for eight years after they received the MMR vaccine and found no links. It is true that you may find the odd study linking vaccines with autism or any other disorder, but one study does not mean anything. Specially, since very often studies showing negative effects of vaccines are poorly designed and have many problems. We need to look at the body of research, at the full picture, and not to the odd study.  

Questioning things is good and necessary. It is good to be skeptical. What it is not good is to become so fixated on your own beliefs that you ignore what the scientific evidence says. Scientists question the evidence on vaccines every single day. After all that scrutiny, the evidence keeps on finding the same thing: vaccines are safe and effective. There is NO evidence suggesting that vaccines are bad for children. Vaccines are not poison. On the contrary, they keep our children safe.  

I wish you all the very best. 

Love,  

Ana 

Dr Ana Aznar 

Related articles: 

Why Is Autism Rising? 

My 11- Month Is Very Fussy, Is It Normal? 

How Many Word Should a 17 Month Old Say? 

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Comments
Cristo
2025-07-29 12:20:59
Amazing, thank you so much for this blog.
Pia Satrustegui
2025-04-25 07:23:36
Hola Ana,
Qué fantástico artículo y que buenos consejos. Ha sido de una gran ayuda. Un abrazo muy fuerte
Dr. Ana Aznar
2025-03-31 19:41:20
Qué ilusión tu mensaje, Pia! Gracias a tí por leernos.
Pia Satrustegui
2025-03-28 10:13:56
Querida Ana,
Maravilloso artículo sobre la serie Adolescentes y consejos de gran ayuda en una etapa tan complicada de nuestros hijos , tan desprotegidos frente a las nuevas tecnologías.Es una ayuda tremenda para nosotros. Muchas gracias
Armani
2025-03-06 09:31:35
This is ethically wrong and I don't think it's worth the damage it will ultimately cause to the relationship. And the issues it will cause for the one being spied on. Just don't do it.
Meghan
2025-02-07 21:26:19
Is there a printable version of the article? I am a school based mental health professional and would like to share it with parents.
J
2025-02-03 10:52:04
This is such a great writeup. I think too often we get caught in a rutt of trying to categorise everything. Our daily lives are kind of dictated by categories and labels, certainly in a digital world.

I'd imagine this is quite deteremental for a childs development in the long run as nothing stays the same forever, and we shouldn't really be making these categorisations, especially towards our children.

Just live life, sometimes you'll have to be the parent that's the shoulder to cry on. The week after you may have to raise your voice a little when everyone is in a rush and you're trying to get your children's shoes on.

Just balance it all out, don't be too self critical and pick up on what your child wants and needs.

Again, great writeup!
Dr. Ana Aznar
2024-09-13 12:51:46
Dear Robert,
Thank you so much for your comment. I totally get what you mean. It is always difficult to have kids living with you, wanting to support them and their parents but at the same time not wanting to step in anyone's toes. If there's anything we can do to support you and your family, please do not hesitate to get in touch with us.

Ana
Robert Eisenbart
2024-09-10 00:43:07
Great Article! I'm a retired FNP. Years ago I taught a STEP program to parents via family court cases. I now have a daughter and her man disciplining three children 4, 8, and 10. The 10 year old has ADHD and my personal diagnosis is she's also Oppositional/Defiant. I believe the OD came from harsh discipline. All they seem to do is punish and threaten physical punishment. They say positive reinforcement didn't work however they tried it for about 2 months and then went back to punishment. I can't reason with them as "they are the parents"!! is all I hear. They all live with me and have since the oldest was about 2. Sadly I can see the other 2 developing issues like anxiety and aggression as well. Trying to show them another side of adult supervision when I have them but frustrating.
Dr. Ana Aznar
2024-09-02 20:48:07
Really glad you found it useful! Thank you for being here and for your comment.

Ana
Dr. Ana Aznar
2024-05-17 09:55:58
Hi Donna,
sO great to have you here! Totally agree that Zara is great! What other topics would you like us to discuss?
Ana
Donna
2024-05-17 09:49:36
Love Zara’s ways of teaching for both parents & kids! Also so helpful. We want more!! (Please!) :D
Ana Aznar
2024-05-08 07:24:31
We are glad you found the content useful! Many thanks for being here.
Ana
Cristoj
2024-04-09 18:20:19
Great article!!!
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