African Swine Fever roadmap:
Vaccines
Roadmap for the development of a candidate vaccine for ASF
Download ASF Vaccine Roadmap12
Identity of protective antigens
Identity of protective antigens
Research Question
- The identity of the virus components (epitopes) that the host needs to respond to prevent and/or clear infection
Research Gaps and Challenges
- The dominant immunogens may not be the most protective, thus a range of possible antigens will need to be considered
- Investigate gene functions
- Investigate the need of chaperon for proper folding of proteins
- Investigate if different antigens provoke a response in wild boars and pigs
- Induction of a neutralising immune response
Solution Routes
- Identify possible protective antigens in the virus genome, their expression and trial in challenge experiments
- Identify the antigens that the host is generating Abs to and their role in protection (preventing and clearing infection)
- Identify the antigens that are responsible for protective cellular
responses
Dependencies
- Identify protective mechanisms operating in immune hosts – the role of neutralising Abs and CTCs
- The genome sequence of various virus isolates
- Identify determinant of virulence
State Of the Art
- Neutralising antibodies directed against virion proteins p30, p54, and p72 have been described but they are not sufficient for antibody-mediated protection
- Partial protection was achieved using a combination of two recombinant proteins, p54 and p30, as well as with recombinant CD2-like protein but failed to give protection against highly virulent isolates
Projects
What activities are planned or underway?
The impact of temperature on transmission of African swine fever in contaminated livestock vehicles
Planned Completion date 01/01/2023
Source Countries:
Netherlands
A Multi-Laboratory Comparison of Methods for Detection and Quantification of African Swine Fever Virus.
Planned Completion date 07/03/2022
Source Countries:
Netherlands