With the global pandemic still ravaging the world, finding a cure for COVID-19 has been the primary focus of research and development. Recently, Zydus Cadila announced the development of a needle-free corona vaccine named ZyCoV-D, which has garnered immense attention. In this article, we will take a closer look at the vaccine, its efficacy, & what sets it apart from other COVID-19 vaccines.
What is ZyCoV-D?
ZyCoV-D is a DNA-based vaccine developed by Zydus Cadila, an Indian pharmaceutical company. It is the first needle-free vaccine for COVID-19, which eliminates the need for needles & syringes, making the vaccine administration process faster, safer, & more convenient.
How does ZyCoV-D work?
ZyCoV-D is a plasmid DNA vaccine that uses a small, circular DNA molecule that contains the genetic material needed to produce a specific protein of SARS-CoV-2, the virus that causes COVID-19. When the vaccine is injected, the DNA molecule enters the body’s cells, instructing them to produce the spike protein of the virus. The immune system recognizes the protein as a foreign substance & produces antibodies to fight it.
What is the dosage for ZyCoV-D?
ZyCoV-D is administered in three doses, with a gap of four weeks between each dose. Unlike other COVID-19 vaccines, ZyCoV-D is administered via a needle-free injector, which delivers the vaccine into the skin through a high-pressure stream of fluid.
How effective is ZyCoV-D?
The interim data from the phase-3 clinical trial of ZyCoV-D showed that the vaccine was 66.6% effective in preventing symptomatic COVID-19 cases. It was also 100% effective in preventing moderate to severe COVID-19 cases, hospitalization, & death!
What makes ZyCoV-D different from other COVID-19 vaccines?
ZyCoV-D is the first COVID-19 vaccine that does not require needles and syringes, making it safer, faster, & more convenient. Additionally, it is a DNA-based vaccine, which makes it easier & faster to produce in large quantities.
What are the side effects of ZyCoV-D?
The common side effects of ZyCoV-D include pain, swelling, or redness at the injection site, fever, headache, fatigue, & body aches. These side effects are usually mild & resolve within a few days.
Who can get ZyCoV-D?
ZyCoV-D can be administered to anyone aged 12 years & above. However, the vaccine is not recommended for pregnant women & individuals with a history of severe allergic reactions.
How is ZyCoV-D stored and distributed?
When will ZyCoV-D be available?
Zydus Cadila has received emergency use authorization from the Drug Controller General of India (DCGI) for ZyCoV-D. The vaccine is currently being rolled out in India, & the company is working to scale up its production to meet the demand.
How much will ZyCoV-D cost?
The cost of ZyCoV-D is yet to be announced. However, Zydus Cadila has stated that it will be priced affordably to ensure accessibility to all.
Can you get COVID-19 after getting ZyCoV-D?
While ZyCoV-D is highly effective in preventing COVID-19, it is not 100% effective. There is still a small chance that an individual may contract COVID-19 even after getting vaccinated. However, the severity of the illness will be significantly reduced!
Will ZyCoV-D be required for travel?
The travel requirements for COVID-19 vaccination vary depending on the country’s regulations. It is best to check with the relevant authorities to determine if ZyCoV-D will be accepted as proof of vaccination for travel.
What are the benefits of a needle-free vaccine?
Needle-free vaccines have several benefits, including reduced pain and discomfort during the injection, lower risk of needle-stick injuries, & a more efficient vaccine administration process.
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What are the challenges of developing a needle-free vaccine?
Developing a needle-free vaccine requires specialized technology & expertise. Additionally, the vaccine formulation must be stable & safe for use with a needle-free delivery system.
ZyCoV-D is a promising addition to the COVID-19 vaccine arsenal. Its unique needle-free delivery system makes it a safer, more convenient, & more accessible vaccine option. While the vaccine is not 100% effective, it has shown promising results in preventing severe illness, hospitalization, & death. With the vaccine being rolled out in India, it is a step towards curbing the pandemic globally!
