Why in news?
The Department of Biotechnology (DBT) proposed to use the Controlled Human Infection Model (CHIM) to develop new influenza vaccines.
What is CHIM?
- CHIM method is used in volunteers ‘ approach which encourages them to engage in expert supervision trials when their volunteers are contaminated.
- The vaccines that are used here are composed of virus-related diseases and injected into the body to coax the immune system in the preparation of antibodies.
- This concept can help in the development of clinical research.
- Earlier it was also used for Typhoid.