**Author's contribution**

RKT, SS, and RK contributed to conceptualization and writing; SS, RK, and RKT contributed to writing—review and editing. All authors have read and agreed to the final version of the manuscript.

## **Conflict of interests**

Authors declare no conflict of interests exists. The funders had no role in the design of the study; in the collection, analyses, or interpretation of data; in the writing of the manuscript; or in the decision to publish the results.

## **Author details**

Sheetal Saini, Rajinder Kumar and Rajeev K. Tyagi\* Division of Cell Biology and Immunology, Biomedical Parasitology and Nano-immunology Lab, CSIR-Institute of Microbial Technology (IMTECH), Chandigarh, India

\*Address all correspondence to: rajeevtyagi@imtech.res.in; rajeev.gru@gmail.com

© 2021 The Author(s). Licensee IntechOpen. This chapter is distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/ by/3.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
