With support from GSK, which
produces vaccines against viruses causing severe diarrhea and pneumonia and is working on a vaccine against malaria, Delahaye refined his idea to focus on a nutraceutical to be administered during vaccination campaigns.
Not exact matches
Together with researchers at the CNRS, the group has demonstrated the efficacy of RNA - based
vaccines produced using the new method
against plant
virus infections.
The method is relatively new, but far bacteria - based
vaccines have proven effective: A seasonal flu
vaccine produced by VaxInnate successfully protected humans in clinical trials, and the company's recently tested swine flu
vaccine immunized mice
against the
virus.
This means that when an unexpected flu strain appears, such as the 2009 pandemic - causing H1N1
virus, there is no way to rapidly
produce a
vaccine against it.
As the West Nile
virus continues its westward march across the United States, researchers hope to
produce a
vaccine against the mosquito - borne pathogen.
When the researchers exposed chickens to lethal doses of the avian influenza
virus and the Newcastle
virus, birds inoculated with the recombinant
vaccine produced antibodies
against both
viruses, offering protection
against both diseases.
At day 49, the mice that received the mRNA
vaccine produced high levels of neutralizing antibodies
against Zika
virus in their blood compared to placebo.
The study relates to a particular type of
vaccine (killed)
against a particular
virus, influenza, though the findings might hold true for other killed
vaccines and for those
vaccines consisting only of proteins
produced by GM in bacteria, yeast or insect cells,
against diseases such as hepatitis B (HBV) and human papilloma
virus (HPV, the causative agent of cervical cancer).
The study also affirms that a
vaccine that evokes the immune system to
produce protective antibodies, such as ZIKV - 117, could be effective
against the
virus.
Many
vaccines are 100 - percent effective at
producing antibodies, but the antibodies are not necessarily protective
against the
virus.