What is octylphenol ethoxylate in vaccines?

Octylphenol ethoxylate This detergent pulls the fat out like a grease stain, leaving free virus bits behind—they’re less likely to cause side effects than the whole virus.

What are the ingredients in the quadrivalent flu vaccine?

Each dose of 0.5 mL dose of clear-to-slightly opalescent suspension contains 4 strains of influenza virus. Nonmedicinal ingredients: egg protein, sodium phosphate-buffered, isotonic sodium chloride solution, formaldehyde, Triton® X-100, sucrose, gelatin, and thimerosal (multidose preparation only).

What is intradermal flu vaccine?

“Fluzone Intradermal®” was first made available in the 2011-2012 flu season. The intradermal flu vaccine is a shot that is injected into the skin instead of the muscle. The intradermal shot uses a much smaller needle than the regular flu shot, and it requires less antigen to be as effective as the regular flu shot.

What’s really in the flu vaccine?

Many flu vaccines are made by growing the viruses inside fertilized chicken eggs. This means that they contain a small amount of egg protein. A newer version of the vaccine, called Flucelvax, is grown in animal cells instead.

Is the flu vaccine intramuscular or intradermal?

Influenza virus vaccine should not be given via intravenous administration or subcutaneous administration, it is for intramuscular (IM) administration only, with the exception of the intradermal Fluzone products. All other formulations should not be given by intradermal administration.

What does Pfizer Covid vaccine contain?

The Pfizer-BioNTech COVID-19 vaccine also contains a harmless piece of messenger RNA (mRNA). The COVID-19 mRNA teaches cells in the body how to create an immune response to the virus that causes COVID-19. This response helps protect you from getting sick with COVID-19 in the future.

What is the best flu vaccine for 2020?

The best flu vaccine for people over 65

• Fluzone High-Dose Quadrivalent — also known as the “high-dose flu shot”
• Fluad Quadrivalent.
• Flublok Quadrivalent.

What happens if flu shot is given subcutaneously?

Injecting a vaccine into the layer of subcutaneous fat, where poor vascularity may result in slow mobilisation and processing of antigen, is a cause of vaccine failure1—for example in hepatitis B,2 rabies, and influenza vaccines.