Definition vaccine virus

We have great editors, but we only have a few. We appreciate any and all help we can get in regards typos and any other mistakes. Please contact us and let us know if you find an error. Your Name required. Your Email required. Are you human? Please enter text in this image. Please tell us of the error you found:. Menu Author Bio Latest Posts. The modified version of the virus is called a vector virus.

Like all vaccines, viral vector vaccines benefit people who get vaccinated by giving them protection against diseases like COVID without them having to risk the serious consequences of getting sick.

How Viral Vector Vaccines Work. They do not affect or interact with our DNA in any way. Scientists estimate that the spike protein, like other proteins our bodies create, may stay in the body up to a few weeks.

Facebook Twitter LinkedIn Syndicate. Last Updated Oct. The first sub-definition addresses an "antigenic preparation of a typically inactivated or attenuated pathogenic agent such as a bacterium or virus or one of its components or products such as a protein or toxin. The second sub-definition addresses the mRNA vaccine with the definition "a preparation of genetic material such as a strand of synthesized messenger RNA that is used by the cells of the body to produce an antigenic substance such as a fragment of virus spike protein.

Merriam-Webster's change is in line with updates the Centers for Disease Control and Prevention made to its vaccine definition. Vaccines "imitat[e] an infection," according to the CDC, which causes the immune system to produce antibodies that help fight an illness. Mild side effects from vaccination are normal and a sign the body is developing immunity.

More: Want enhanced clarity on the news? Army is also testing a ricin vaccine and has reported success in mice. Other Words from vaccine vaccine adjective. First Known Use of vaccine , in the meaning defined at sense 1.

Learn More About vaccine. Time Traveler for vaccine The first known use of vaccine was in See more words from the same year. From the Editors at Merriam-Webster.

Style: MLA. English Language Learners Definition of vaccine. Kids Definition of vaccine. Medical Definition of vaccine. Miller et al. They contain the genetic code for making the spike protein that the SARS-CoV-2 virus uses to latch onto and invade cells.

Once injected, a person's cells read the code and then produce the protein.