Nanotechnological Applications in Virology explores the use of nanoparticles-based technologies to fight against viruses, also discussing the use of nanoparticles in the preparation of nano masks and as sanitizing agents.The role of nanotechnology against HIV, Hepatitis, Influenza, Herpes, Ebola and Zika using rapid detection and diagnostic techniques is included, as is a brief description of SARS, MERS, the novel Coronavirus, and recent advancements in its treatment process.Other sections cover the formulation of novel nano-vaccines for the treatment and control of viral infections like HIV, Hepatitis and COVID-19.Included toxicological studies of nanoparticles provide readers with a brief overview on global scenarios regarding viral infections. Nanotechnology is the present age technology, with wide usage in different areas of medical science, including drug delivery, gene therapy, antimicrobials, biosensors and bio-labelling.Nanoparticles play a competent role as an anti-infection agent and thus act as efficient antiviral agents.