Vaccination and immunization are very important to our health from childhood. The immunity procedure of our body is activated through different types of vaccines. There are new vaccines introduced with new infectious diseases. The Pfizer vaccine is such a vaccine introduced to prevent from Covid-19 pandemic situation.
The origin of Pfizer
The vaccination program against Covid-19 was started in December 2020. The Pfizer vaccine was also validated in this first session of vaccination. It was originated from American cooperation and a German biotechnology company. Pfizer in New York which is an American cooperation company is a pharmaceutical company. They normally introduce biological therapies for cancers and few other immune methods. But they have done research on Covid-19 in the pandemic situation and intended to introduce a vaccine. They cooperated their work with BioNTech company to do this. It is also an immunotherapy company. But the reports have stated the originators of Pfizer as BioNTech company.
Pfizer vaccine-The origin of Pfizer
The first Pfizer vaccine was received by the UK in its first vaccination program. There was a highly effective effort behind this step as there were so much scientific researches.
How the Pfizer vaccine works
Like other vaccines, this vaccine also contains an inactivated piece of the virus. The procedure is to activate and stimulate the immune system to fight the Covid-19 virus. The name of the Covid-19 virus is the SARS-CoV-2 virus. When injected into the body, Pfizer is released mRNA. Then the cells identify it and produce spike proteins. The vaccine is fully destroyed by these spikes. The immune cells also help this process by producing antibodies. They block the spikes from entering into more cells. T cells produce to destroy antigens. This process is marked by the immune system’s fight against the real virus.
Pfizer vaccine-How the Pfizer vaccine works
A scientific explanation of its functions, Research & Development, Clinical Trials
Scientific investigations are still conducting on Pfizer and other Covid-19 vaccines as still the pandemic situation remain the same. These researches were so helpful in the introduction stage of these vaccines also.
The Covid-19 virus can be effectively destroyed by Pfizer vaccine. It has stated that the effectivity or the productivity is very high in Pfizer and many researches have proved it using different clinical trials and methods. The spread of Covid-19 was very hard to control in the first stage. So they tried to have a way to destroy the viruses by providing an internal protection. For that, they used the process of vaccination.
The need of minimizing the death rate is very high in the world today. But that has happened now with the vaccination programs. The Pfizer vaccine is doing a major part in that process as it has become one of the major vaccine to use against Covid-19 virus. A one who completed both first and second doses of Pfizer vaccine has a high protection. It’s nearly 97%. The main benefit is that the vaccine is not depended on any unfavorable health conditions, age or gender. The PHE organization stated the confirmation of this effectiveness. It has also authenticated that this is effective against the delta variant which is very dangerous. The European Medicines Agency is also given that statement for the proof of effectiveness of Pfizer.
South Africa is having a different variant of Covid-19 vaccine. It also has a poor stability when contacts with the Pfizer vaccine. People can avoid critical issues and death which can cause from the Kent variant when Pfizer is vaccinated to them. Pfizer has such productive effects which was proved by researches and clinical trials.
Side effects of Pfizer
Pfizer can cause side effects to a one in three people. These can be normal or severe according to different health conditions. But most of the researches have stated that severe effects are very rare. The report of Zoe app mentioned them as normal effects. According to them those are not very serious and can be resent to the original state.
The common proof of investigations is that the side effects of Pfizer is not very prominent and can be easily solved. The idea is that the side effects happen because of the immunity procedure against virus not because of the vaccine. The MHRA vaccine regulator is also stated about this. Pfizer is extremely safe according to them.
Pfizer vaccine-Side effects of Pfizer
There were some instances that Pfizer caused allergic conditions. They caused severe problems to infected people. MHRA have advised to people with normal allergic conditions in their health to be more protective with Pfizer. The organizations like National University of Singapore, Australian Regulator, UK Regulator are also done investigations on Pfizer and its effects.
Which countries it’s been used
Pfizer is used all over the world now because of its effectiveness and its proofs. As mentioned earlier, the first person who got Pfizer vaccine was in UK. It was the first country which accepted it and used it. The US also listed in countries which accept Pfizer for those 16 years old and more. Asia and Australia are accepted this vaccine after them.
Canada, Singapore and Chile are also get vaccinated with Pfizer. Some Middle Eastern countries also belong to this list. We can simply list out some such counties as follows;
- United Kingdom
- Poland
- Denmark
- Germany
- Austria
- Italy
- France
- United States
- Iceland
- Spain
- Mexico
- Saudi Arabia
- Kuwait
- Oman
pfizer vaccine- Which countries it’s been used
The summary
Pfizer is named as an effective vaccine for Covid-19 virus. But there are some other effective vaccines introduced in the world now. These continuous introductions happen because of the dangerous pandemic situation. As responsible people, we should be able to get vaccinated with any of an effective vaccine to ensure a better future for us and all humans. And also we have to be aware of the features and effects of the particular vaccine which we’re going to get vaccinated.
