Use the tissue culture to grow new viruses. You are about to create a live-attenuated vaccine, which means that you need to alter a pathogen—in this case a measles virus—so that it will still ...

Live-attenuated viral vaccines (LAV) have been used safely for several decades in healthy individuals to protect against diseases with great success. In immunocompromised hosts their use is ...

Researchers are making substantial progress in developing safe and effective vaccines against the dengue virus. Currently, a large number of dengue vaccine candidates are being tested in ...

These virus types are responsible for most flu infections in humans. FluMist is a live, attenuated vaccine, meaning it ...

We administered live attenuated varicella vaccine to 187 healthy adults seronegative to varicella-zoster virus (VZV); 176 have been followed at least 2 mos. 121/176 (69%) received 2 doses about 3 ...

As fall approaches, so does respiratory syncytial virus or RSV season. This year, there are more options for those most ...

The isolation of influenza virus 80 years ago in 1933 very quickly led to the development of the first generation of live-attenuated vaccines. The first inactivated influenza vaccine was ...

Use the tissue culture to grow new viruses. The goal in creating a killed vaccine is to disable a pathogen's replicating ability (its ability to enter cells and multiply) while keeping intact its ...

Childhood vaccinations are crucial for protecting children from deadly infections. Vaccines work by stimulating the immune ...

Here's a list of all four types and ... The safety issues around live attenuated strains has to do with the fact that these vaccines contain a weakened version of the pathogen it's protecting ...

There are five broad categories of vaccines currently in use and numerous subcategories, each with different antigenic ...

New data show tolerability and no evidence of spreading to blood or tissues even at high doses of Tonix’s attenuated live-virus, minimally ...