In 24 children immunized with inactivated or attenuated measles-virus vaccines, responses of serum antibody (characterized by density-gradient ultracentrifugation and radioimmunodiffusion studies) ...

This randomized controlled trial compared an inactivated (injectable) influenza vaccine with a live-attenuated (nasal spray) influenza virus vaccine and with placebos. These investigators ...

Immunizing children with intranasal live attenuated influenza vaccine (LAIV) does not appear to provide better protection against influenza than inactivated influenza vaccine (IIV), according to a ...

Cold-adapted attenuated polio virus -- towards a post-eradication vaccine. PLOS. Journal PLOS Pathogens DOI 10.1371/journal.ppat.1005483 ...

Medically reviewed by Gurdeep S. Sareen, PharmD Inactivated vaccines, also called killed vaccines, are made from a protein or other small pieces taken from a virus or bacteria. They use this ...

Live-attenuated vaccines differ from traditional inactivated vaccines where the pathogen is “killed”, and as the name suggests the pathogen (typically a virus) remains active in live vaccines ...

Inactivated: Contains an inactivated version of a virus or bacteria; Toxoid: ... "Many years ago, when we first started getting flu shots, they were live attenuated virus vaccines," said Dr. Knight.

Such attenuated virus induced only mild ... approximately 100 TCD 50 of the Philadelphia 26 strain of measles virus recovered in this laboratory. 6 The serums were inactivated at 56°C. for ...

The vaccine recipient swallows the attenuated virus in a sugar cube or droplet. Polio vaccines in the U.S. use an inactivated, dead virus version. This type of vaccine is administered as an ...

With live attenuated vaccines, since the virus is weakened but not inactivated or “killed,” the virus can still replicate in the body, although much less so than a natural virus.

Due to this risk, the oral vaccine was discontinued in the U.S. in 2000. New York health officials said the virus in the Rockland County patient likely originated in a country outside the U.S ...