EVERYDAY SCIENCE

Detailed explanation-1: -DNA vaccines are a valuable form of antigen-specific immunotherapy, as they are safe, stable and can be easily produced. Moreover, tumor-specific antigens are expressed for a longer period of time as compared to RNA or protein-based vaccines.

Detailed explanation-2: -As of 2021 no DNA vaccines have been approved for human use in the United States. Few experimental trials have evoked a response strong enough to protect against disease and the technique’s usefulness remains to be proven in humans. A veterinary DNA vaccine to protect horses from West Nile virus has been approved.

Detailed explanation-3: -ZyCov-D – World’s first DNA vaccine for Covid Till date, many DNA vaccines have been introduced in the world to fight viruses such as HIV, as well as the cancerous cells in some types of cancers. They ae extensively used to fight disease in animals such as horses and dogs.

Detailed explanation-4: -Subunit, recombinant, polysaccharide, and conjugate vaccines One limitation of these vaccines is that you may need booster shots to get ongoing protection against diseases. These vaccines are used to protect against: Hib (Haemophilus influenzae type b) disease.