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Vaccine contamination with Simian vacuolating virus 40, known as SV40 occurred in the United States and other countries between 1955 and 1961.. SV40 is a monkey virus that has the potential to cause cancer in animals and humans, although this is considered very unlikely and there have been no known human cases. [1]
Cas9 (or "CRISPR-associated protein 9") is an enzyme that uses CRISPR sequences as a guide to recognize and open up specific strands of DNA that are complementary to the CRISPR sequence. Cas9 enzymes together with CRISPR sequences form the basis of a technology known as CRISPR-Cas9 that can be used to edit genes within living organisms.
The schedule for childhood immunizations in the United States is published by the Centers for Disease Control and Prevention (CDC). [1] The vaccination schedule is broken down by age: birth to six years of age, seven to eighteen, and adults nineteen and older. Childhood immunizations are key in preventing diseases with epidemic potential.
The data are stored electronically by the CDC in the Vaccine Safety Datalink (VSD). VAERS was established in 1990 and is managed jointly by the FDA and the CDC. [5] It is meant to act as a sort of "early warning system" [6] —a way for physicians and researchers to identify possible unforeseen reactions or side effects of vaccination for ...
Off-target genome editing refers to nonspecific and unintended genetic modifications that can arise through the use of engineered nuclease technologies such as: clustered, regularly interspaced, short palindromic repeats ()-Cas9, transcription activator-like effector nucleases (), meganucleases, and zinc finger nucleases (ZFN). [1]
The CDC says on its website that vaccines are “very safe,” noting that “the United States’ long-standing vaccine safety system ensures that vaccines are as safe as possible.”
CRISPR gene editing (CRISPR, pronounced / ˈ k r ɪ s p ə r / (crisper), refers to a clustered regularly interspaced short palindromic repeats") is a genetic engineering technique in molecular biology by which the genomes of living organisms may be modified.
The Vaccine Safety Datalink Project (VSD) was established in 1990 by the United States Centers for Disease Control and Prevention (CDC) to study the adverse effects of vaccines. Four large health maintenance organizations , including Kaiser Permanente , were initially recruited to provide the CDC with medical data on vaccination histories ...