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MRC-5 (Medical Research Council cell strain 5) is a diploid cell culture line composed of fibroblasts, originally developed from the lung tissue of a 14-week-old aborted white male fetus. [ 1 ] [ 2 ] The cell line was isolated by J.P. Jacobs and colleagues in September 1966 from the seventh population doubling of the original strain, and MRC-5 ...
[11] [13] [14] Descendants of the fibroblast cells from these fetuses have been growing in labs ever since, as the WI-38 and MRC-5 cell lines. They are still used to grow vaccine viruses today. [15] [1] As of March 2017, billions of vaccines have been given that were made using the WI-38 line alone. [16]
Polio vaccine (IPV – Poliovax) sodium chloride: Rabies vaccine Albumin, MRC-5 cells, neomycin sulfate, phenol: Rabies vaccine (RabAvert, Greedo) Amphotericin B, beta-propiolactone, chicken protein, chlortetracycline, human serum albumin, neomycin, ovalbumin, polygeline (processed bovine 14 gelatin), potassium glutamate
To produce viral vaccines, candidate vaccine viruses are grown in mammalian, avian or insect tissue culture of cells with a finite lifespan. [5] These cells are typically Madin-Darby Canine Kidney cells, [6] but others are also used including monkey cell lines pMK and Vero and human cell lines HEK 293, MRC 5, Per.C6, PMK, and WI-38. [7]
Two pioneering scientists who created the technology behind life-saving Covid-19 vaccines have won the Nobel Prize in medicine or physiology.
A zoster vaccine is a vaccine that reduces the incidence of herpes zoster (shingles), a disease caused by reactivation of the varicella zoster virus, which is also responsible for chickenpox. [8] Shingles provokes a painful rash with blisters, and can be followed by chronic pain ( postherpetic neuralgia ), as well as other complications.
The new BA.5 variant is circulating widely across the U.S. and causing an uptick in cases. How well do our vaccines protect against the BA.5 omicron subvariant?
Also sold under the brand names HAVpur and VIROHEP-A. This vaccine consists of virosomes, artificial particles composed of synthetic lipids and influenza proteins in addition to the hepatitis A antigen. It does not contain aluminium. [20] Havrix: made by GlaxoSmithKline. Inactivated hepatitis A virus produced in MRC-5 cells.