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What You Should Know About The COVID-19 Vaccine

by David Ryan
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As the immunisation process starts around the world, people ask questions regarding how the vaccines work, what type of vaccine they are taking, and how long it takes to prepare the antibody in the human blood cell.

If you are looking for “COVID testing near me, ” you should first check with your local health authority. However, as the vaccination started, you need to also look into if you can take the vaccine.

What Actually Is a Vaccine?

In general, vaccination is something that enables a person to build up immunity against infectious disease. It functions by purposely adding, or something similar to, the body to an inactive form of a disease-causing germ. This then activates the development of antibodies by the immune system.

How Does The COVID Vaccine Work?

COVID-19 vaccines help our bodies establish immunity to the virus that induces COVID-19. Different forms of vaccinations function differently and provide a defence. Still, the body is left with a stock of “memory” T-lymphocytes and B-lymphocytes for all types of vaccines that know how to combat the virus in the future.


So, are you wondering how do the COVID-19 vaccines differ from vaccines?

Instead of antigen payloads, RNA, a molecule that stores information, brings copies of the formula for producing the antigen.

Figuring out what microenvironment better retains a protein-based vaccine’s antigenicity, then manufacturing it for clinical trials in ultra-pure form, is a slow method. But the production of purified RNA molecules that resemble the gene of a pathogen is much faster.

It took less than a year for an appropriate SARS-CoV-2 vaccine. This coronavirus causes COVID-19, to be created and obtain emergency use clearance from the Food and Drug Administration.

Which COVID-19 Vaccines Have Been Approved?

Other than the topic of “COVID 19 testing near me”, several COVID-19 vaccines are in clinical trials at present. But because COVID-19 vaccinations are desperately needed, and the FDA’s vaccine approval process will take months to years, the FDA will first grant COVID-19 vaccines emergency use authorization based on evidence than expected.

Here are the vaccines that are approved by the FDA.

Vaccine Pfizer/BioNTech

The Pfizer/BioNTech COVID-19 vaccine has been granted emergency use authorization by the FDA. The results show that the vaccine begins functioning immediately after the first dose and has a 95 per cent efficacy rate seven days after the second dose.

Moderna vaccine

The FDA has granted the Moderna COVID-19 vaccine emergency use authorization. Evidence has shown that the vaccine has a 94.1 per cent effectiveness score. This vaccine is meant for adults 18 years and over. Two injections given 28 days apart are required for this vaccine.

How Many Shots Do We Need?

Two shots are used in all but one of the COVID-19 vaccines currently in Phase 3 clinical trials in the United States. To get the most safety the vaccine has to provide, a second shot a couple of weeks later is required after the first shot. One vaccine only requires one shot in Phase 3 clinical trials.


Future mRNA vaccine technologies could allow several diseases to be protected by one vaccine, thus reducing the number of shots necessary to protect against common vaccine-preventable diseases.

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