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Author Eunice Sharon Eyo Oku

How Effective Is Covid-19 Vaccine?

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How Effective Is Covid-19 Vaccine?

What Is Coronavirus (Covid-19)?

Coronavirus [Covid-19] is an infectious disease, caused by a newly discovered coronavirus now often joined together as coronavirus]. People who fall sick with covid-19 will experience mild to moderate symptoms and will also recover without any special treatment. However, severe cases [which happen more often] may cause suffocation and death. 

Common symptoms of the viral disease are:

    • High fever.
    • Coughs.
    • Sneezing

The droplets fall on floors and surfaces, infecting these areas. You may be infected by breathing in the viral air or by touching the contaminated surface or items and then touching your eyes, nose, or mouth.

The US Food and Drug Administration [FDA] has begun authorizing the use of vaccines for the coronavirus that causes covid-19.

A vaccine is a substance used to stimulate the production of antibiotics and provide immunity against one or several diseases, its products, or a synthetic substitute, treated to act as an antigen without inducing the disease.

Vaccines help people develop immunity to a virus or any other germ.

General Mode Of Operation Of Vaccines

  • A vaccine introduces a less harmful part of that germ, into a person’s body, OR, a vaccine introduces something created to look or behave like it, into a person’s body.
  • The body’s immune system generates antibodies that fight that particular germ and prevent the person from getting sick from it.
  • If the individual encounters that germ again, his/her immune system can recognize it and remember how to fight it off.

THE COVID-19 VACCINE

Two organizations have come up with various vaccines against coronavirus, which FDA considered for approval. Pfizer covid vaccine was authorized on December 12th, 2020, and Moderna’s vaccine was likewise authorized on December 18th, 2020. 

The coronavirus, which is responsible for the covid-19 pandemic, has spikes of protein on each viral particle. The virus causes the disease by attaching itself to your cells, using these spikes. 

Some of the vaccines in development are designed to help the body recognize these spike proteins and fight the coronavirus that has them.

An effective vaccine will protect a person who receives it, by lowering their chances of getting covid-19, if they encounter the coronavirus.

Effective and widespread vaccinations will reduce the spread of the deadly infection, through the communities.

Both Pfizer and Moderna claim that their vaccines will prove approximately 95% efficacy at preventing both the mild and severe symptoms of covid-19. This level of efficiency is appraisable, especially if it applies across age groups, and both genders, as reported in Pfizer’s trials.  

As in all medications, safety is of special concern. 

How Safe And Effective Is A Covid-19 Vaccine? 

There are some guidelines a medicine must meet, to qualify for approval. A covid-19 vaccine must certain tests and standards, to be declared effective and safe.

The National Academy of Sciences, the National Institute for Health, and the Food and Drug Administration [FDA] use scientific data from research to assist and decide if/when new drugs and vaccines can become available to the public for consumption. 

The discovery of the first covid-19 is a breakthrough in curbing the hazards of coronavirus vaccines. 

An effective covid-19 vaccine will help protect people who come in contact with the virus from becoming sick. Safety has been a top priority as the US federal agencies work with vaccine manufacturers to develop and authorize a covid-19 vaccine. 

Some key areas for their concentration as part of covid-19 vaccine development, review, and authorization are:

  • Careful testing.
  • Authorization for emergency use.
  • Continuous monitoring for problems and side effects.

The Centers for Diseases Control and Prevention [CDC] have worked well enough to ensure the safety and effectiveness of covid-19 vaccines.

While some people don’t have any side effects after getting a covid-19 vaccine, many people will have mild side effects after covid-19 vaccination, like pains, swellings at the injection site, headaches, fever, chills, etc. These reactions are normal; they show the vaccine is working. 

A small number of people have had a severe allergic reaction called anaphylaxis, after vaccination, but this is extremely rare and when it happens, vaccination providers have medicines available they can use to effectively and immediately treat the reaction.

Approval For The Covid-19 Vaccine

By the safety of COVID-19 vaccines rules, the United States Food and Drugs Administration (FDA) granted Emergency Use Authorization for two covid-19 vaccines. These vaccines–Pfizer and Moderna–were proven to be safe and effective.

The vaccines underwent a large number of clinical trials and the safety was proven via data of findings. These data prove that the potential and known harm of vaccines are outweighed by the potential and known benefit of the vaccine.

Availability Of The Vaccine

Moderna covid vaccine is the second approved for use in the United States. 

According to the manufacturers of the vaccine, it will bolster the number of available doses which the states desperately need to feed the pandemic of panic.

Availability is what determines effectiveness. Because of this, the CDC has worked out a modality towards a hitch-free vaccination until a hard immunity to covid-19 is achieved. 

Hard immunity means that enough people in a community are protected from getting a disease because they are already had the disease or have been vaccinated already.

Hard immunity makes it so hard for the virus to spread from person to person, and it even protects those unable to get vaccinated, like newborns.

The first line of treatment is paid to the frontline healthcare workers than the elderly, 85 and older, followed by 65 and above, etc. 

FAQS

  • Does the Moderna vaccine protect against new strains?

The Moderna COVID-19 vaccine created antibodies that neutralized coronavirus variants first found in the UK and South Africa. The company stated in a news release, one proud Monday, that two doses of the vaccine “are expected to be protective against emerging strains detected to date.” 

  • Is the AstraZeneca vaccine approved in the US?

The US has agreed to buy 300 million doses of AstraZeneca’s vaccine, but neither the company nor the US federal government has said when and in what quantities those doses will be available after the vaccine is approved.

  • What is in a Moderna vaccine?

The COVID-19 Vaccine Moderna is a vaccine for preventing coronavirus disease, in people aged 18 years and above. It contains a molecule called “messenger RNA” [mRNA] with instructions for producing a protein from SARS-CoV-2, the virus that causes Covid-19. 

  • How long after the second Moderna vaccine is effective?

With the first shot, Metzger says that health experts think people have about a 50% protection level against the virus. The second shot allows them to attain a 95% protection level. It takes about seven to fourteen days after the second shot, to get to that 95% level of protection.

  • What are the ingredients in COVID-19 vaccines?

The two Covid-19 vaccines currently available in the United States of America do not contain eggs, preservatives, or latex. They contain a molecule called messenger RNA [mRNA] with instructions for producing a protein from SARS-CoV-2, also known as the novel coronavirus [which causes COVID-19].

 

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