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Boost up your fight Against Covid-19 with Booster Shots Now!

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Booster Shots? Already I have got my two doses, why one more again? All your questions are answered here about covid-19 Booster shots.

According to studies, after being immunized against COVID-19, protection against the virus and the ability to prevent infection with variants may wane with time and due to variant alterations.

A recent study finds that two doses of mRNA (Pfizer-BioNTech or Moderna) and one dose of viral vector (Johnson & Johnson) COVID-19 vaccines were insufficient to provide effective immunity against a lab-created Omicron variant or pseudovirus.

According to the findings, a booster dose of an mRNA COVID-19 vaccination offered the strongest immune protection against the Omicron pseudovirus.

Although COVID-19 vaccines continue to be helpful in preventing severe disease, CDC’s new data suggests that their effectiveness in preventing infection or serious illness diminishes over time, particularly in persons 65 and older.

The major development of the Omicron form underscores the critical need for the COVID-19 vaccine, boosters, and preventative measures.

COVID-19 Vaccines: How Do They Work?

COVID-19 vaccinations assist our bodies in developing immunity to the virus that causes COVID-19 without requiring us to become unwell.

Vaccines function in a variety of ways to provide protection. However, with all vaccines, the body is left with a supply of “memory” T- and B-lymphocytes that will remember how to fight that virus in the future.

T-lymphocytes and B-lymphocytes are normally produced a few weeks after vaccination. 

As a result, it is possible that a person could become infected with the virus that causes COVID-19 just before or just after immunization and then become ill as a result of the vaccine failing to give adequate protection.

Symptoms such as fever can occur after vaccination due to the process of establishing immunity.

These symptoms are typical and indicate that the body is constructing immunity.

Consult a doctor before using over-the-counter medications such as ibuprofen, acetaminophen, aspirin (only for persons over the age of 18), or antihistamines to relieve any pain or discomfort caused by vaccination.


COVID-19 Vaccines Are Effective Against New Variants/Mutations?

Viruses are changing constantly, and new strains of viruses, known as variations, emerge. New strains of the virus that causes COVID-19 are spreading throughout the United States and the rest of the world.

COVID-19 vaccinations are effective against the Delta version and other variants found in the United States. 

Current vaccinations are predicted to protect against severe illness, hospitalizations, and deaths caused by Omicron variant infection.

Recently we had controversial news about new variants  like IHU variant from France, and Deltacron Variant from Cyprus. Let’s wait for WHO’s response on these variants.

We don’t yet know how effective the vaccines will be against potential new variations. 

The CDC will continue to study vaccination efficacy to see if polymorphisms affect how well COVID-19 vaccines operate in real-world settings.


What is a COVID-19 vaccination booster shot?

A COVID booster shot is an extra dose of a vaccine administered after the protection offered by the initial injection(s) has begun to wane.

Typically, a booster shot would be provided after the initial doses of immunity had begun to fade. 

The booster is intended to help people maintain their immunity for a longer period.


Who is eligible for a COVID-19 vaccine booster shot?

The CDC recommends getting a COVID-19 booster if you are:

  • 18 years of age or older who had the Janssen/Johnson & Johnson vaccine at least two months ago.
  • 18 years of age or older, and have received both needed doses of the Moderna vaccination at least five months ago.
  • 12 years of age or older who received both needed doses of the Pfizer-BioNTech vaccine at least five months ago The Pfizer-BioNTech vaccine is the only one approved for individuals aged 12–17.

For those with a qualifying medical condition linked with immunosuppression, the CDC and FDA recommend an additional dose at least 28 days after the second dose of Pfizer or Moderna, or two months after the first dose of Janssen/Johnson & Johnson.


The people included:

  • Have been undergoing active cancer therapy for tumors or blood malignancies
  • Received an organ transplant and are on medication to suppress the immune system
  •  Received a stem cell transplant within the last two years, or are on medication to suppress the immune system.
  • Have primary immunodeficiency that is mild or severe (such as DiGeorge syndrome or Wiskott-Aldrich syndrome)
  • Being HIV-positive and have a high viral load or a low CD4 count, or are not currently receiving HIV medication
  • Are taking medications, such as high-dose steroids or other treatments that might induce significant immune system suppression.

If you are unsure whether you fall into one of these groups, please consult your doctor. Please see the CDC’s information for moderately to severely immunocompromised people.

What are the side effects of COVID Booster Shots?

After being immunized against COVID-19, you may have transitory symptoms similar to those seen after receiving a flu vaccination, such as a sore, swollen arm where the shot was taken.

For a day or two, you may have a temperature and have body pains, headaches, and tiredness. Chills and swollen lymph nodes are also possible.

These symptoms do not indicate that you are ill. They indicate that your immune system is responding to the shots and developing immunity against the coronavirus.

Is it necessary for my COVID booster or additional dose to be the same brand as before?

No, you are free to Mix and Match brands for better protection. 

The FDA has approved three vaccine boosters — Pfizer-BioNTech, Moderna, and Janssen/Johnson & Johnson and decided that it is safe to receive a COVID-19 vaccine booster or additional dosage from a different manufacturer than your initial dose or doses.

The Pfizer-BioNTech vaccine is the only one approved for people between the ages of 16 and 17.

If you get the Moderna booster, you’ll get half the original Moderna dose. Please confirm this with the person administering the shot.

Do booster doses contain the same components as current vaccines?

Yes. COVID-19 booster shots have the same chemicals (formulation) as existing COVID-19 vaccinations. 

In the case of the Moderna COVID-19 vaccine booster shot, however, the dose is half of what people receive for their first series.

Is it still considered that I am FULLY VACCINATED if I do not have a Booster shot?

Yes. Everyone is still considered completely vaccinated two weeks after receiving their second dosage in a two-shot series, such as the Pfizer-BioNTech or Moderna vaccines, or two weeks after receiving a single-dose vaccine, such as the J&J/Janssen vaccine.

Are the vaccines still effective if we require Booster shots?


Yes.COVID-19 vaccinations are effective in preventing serious disease, hospitalization, and death. However, public health specialists are beginning to notice a decrease in protection against mild and moderate disease over time, particularly among certain populations.

For Further updates and clarifications please visit CDC

Have you got your booster shot? Check For VACCINES.

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