7 Nastiest Ingredients of Vaccines

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Some people are pro-vaccines, and some are against, but not many people know what ingredients are put into these ‘health preservers’. During the production of vaccines, the producers use several truly revolting ingredients, and then you’re supposed to let them inject that into your child.

Parents should know what is being injected into their children, and deny it if they are not happy with the ingredients, and as far as vaccines are concerned – you sure won’t be happy after reading this.

The “adventitious agents” (the name by which vaccine producers mask the real disgusting ingredients) include the following:

1. Cells From Aborted Fetuses

The vaccine producers include cells from aborted fetuses and name it Human Fetal Diploid Cells. Since the 1960s, Wi-38 and MRC-5 (aborted fetal cell lines) have been grown in laboratories and used to cultivate viruses which will later serve a purpose in the production of the vaccines.

Vaccines containing this nasty ingredient are adenovirus and DTaP vaccines, Hep A and B vaccines, MMR vaccines, and rabies and varicella vaccines.

2. Cells From Armyworms

In 2013, the FDA approved a vaccine which contains cells from armyworms. The vaccine is called Flublok and it is meant to prevent influenza. The producers of this vaccine use an insect cell line which comes from the cells of the fall armyworm called Spodoptera frugiperda.

3. Serum Extracted From Aborted Calf Fetus Blood

This is one of the nastiest ingredients in vaccines.

During the production, fetal bovine serum is collected in order to provide the necessary nutrients for the virus to grow inside cells. As Humane Research Australia explained, after the abortion of a cow, her uterus where the fetus was growing is removed in the process of evisceration. The blood is taken to the blood collection room, where the fetus’ blood is collected with a needle from its heart. Fetuses older than three months are used because the younger ones’ hearts are too small to take the blood from.


When the blood is collected, it is left at room temperature, and refrigerated centrifugation is used to separate the serum which is later used for the vaccine. The vaccines containing this ingredient are the ones for adenovirus, MMR, rotavirus and chickenpox.

4. Cells From Monkey Kidneys

Monkey kidney tissue is often used to help certain viruses grow and later serve in the production of vaccines.

However, whether these cells are beneficial is unclear. There was a case in the 1950s when these cells actually contaminated people with polio, and it has been shown a decade later that monkey cells can actually cause tumors and didn’t even prevent polio, but caused it, because the virus would survive the formalin treatment and enter the vaccines completely active.

This is all further explained in “The Executive Reorganization and Government Research of the Committee on Government Operations United States Senate, Ninety-Second Congress, Second Session”, 1972, pp. 500-505.

The author, Bernice Eddy, said that even when the virus was proven to cause cancer in hamsters, the Division of Biological Standards decided not to pull it off the market.

The vaccines containing this ingredient are DTaP and Japanese encephalitis vaccines, and the vaccines for polio and vaccinia.

5. Cells From Dog Kidneys

This ingredient is commonly used in the production of influenza vaccines. This one doesn’t seem to be cancer causing, or at least there hasn’t been enough research done to prove it, but it is still disgusting.

The FDA approved the seasonal flu vaccine called Flucelvax in 2012. Up until then, cultured animal cells weren’t allowed in the production of vaccines – only fertilized chicken eggs. Nonetheless, this vaccine is approved, but only for those over 18.

6. Mouse Brains

Mouse brains have been used for many years in Asian countries for the preparation of viral vaccines. It has been used in the U.S. since 1992, but the CDC website suggests that these kinds of vaccines aren’t available in America anymore, and it is probably because there have been several cases where these vaccines caused great damage to the health of those who received it.

Mouse brains were used in the development of the Japanese encephalitis vaccine and rabies vaccine.

7. Chicken Embryos

This is one of the awful ingredients that have been used in vaccines the longest. Chicken embryos were the most prominent vaccine ingredient in the 1920’s thanks to the Rockefeller Institute for Medical Research. This ingredient has been used in the vaccines for flu, rabies and yellow fever.