The Corona vaccine of Pfizer. A vaccine with over 90% therapeutic effect.

Image / Aljazeera

A great news came in today. The news is that Pfizer has developed the Corona vaccine. This is a triumph of science. The coronavirus pandemics have left many people in pain. People were unable to meet each other and met with masks covering their faces. Now these days of suffering can be seen as well. Thanks to the Corona vaccine. There were many voices of concern in the process of developing the vaccine. The company that develops the vaccine also said it expected the vaccine to be 60-70 percent effective, but it was surprising that it had more than 90 percent effect. Let's take a look at the newly developed Corona vaccine in this post.

Image / Pixbay

COVID-19 Pendemic

COVID-19 Pendemic was a disaster itself. Many people have been locked up in their homes and taken their lives. The trigger for COVID-19 spreading is usually spread through saliva or nasal mucus that is released when people are close to each other, or when they are breathing, coughing, or sneezing in an infected person. For this reason, many people began to lock themselves in masks and become socially isolated.

The common symptoms of coronavirus are fever and cough. It has symptoms that are very similar to pneumonia and has a low mortality rate in young people, while in older people it is a seriously dangerous disease. Most of the dead are now elderly patients, with about 80 percent of those aged 60 or older.

To sum up, COVID-19 is a disease that is very easily transmitted like a cold and has a very high mortality rate for the elderly. Compared to the previous epidemic of SARS and MERS, it has not ended in a short period of time and is spreading for a long time. It is no exaggeration to say that many experts call the second "Black Death" and "Spanish Flu" which is likely to remain one of the worst infectious diseases in modern human history.

Image / The New York Times

Pfizer's Coronavirus Vaccine

Pfizer is a large pharmaceutical company in the United States. It is a global pharmaceutical company with a very long history and ranks second in sales in the world among pharmaceutical companies. The exact name of the vaccine is BNT162.

It was jointly developed by Pfizer and German pharmaceutical company BioNTech. It is an mRNA (messenger RNA) vaccine, just like the one in Moderna. Bill Gates predicted that Pfizer would be the first to develop a vaccine, which was exactly right. If there are no side effects in future clinical trials, it is likely that emergency approval will be passed within this year. Pre-development clinical trials showed positive results to participants who administered vaccine candidate substances, including confirmation of the formation of neutralizing antibodies 1.8 to 2.8 times that of recovery patients.

And these positive results followed, with the vaccine showing 90 percent preventive effect in new coronavirus infections on November 9, 2020. Media reports also revealed the interim results of Phase III clinical trials. Clinical three-phase tests conducted on subjects who have never been infected with the Corona virus have shown more than 90 percent preventive effects. Pfizer's stock also surged as it was the most successful vaccine case under development so far and expectations were reflected in the stock market.

Image / europeanpharmaceuticalreview

BNT162 Vaccine Prospects

Many experiments are now proving the effectiveness of the vaccine. If the development goes smoothly without a major upset, we will be able to get out of this sickening virus. According to Pfizer's corresponding clinical trials with the FDA, the immune system began to develop seven days after the second inoculation and showed 90% efficacy 28 days after the first inoculation. 

The vaccine experiment was conducted on 43,538 applicants from February 27, 2020, and a total of 38,955 people were vaccinated until November 8, 2020. But there are still things to watch out for. The clinical trial has not yet been completely terminated. The final report was peer-reviewed and details were not fully disclosed. Since only interim results have been reported yet, vaccine development has not been finalized.

Of course, it's really positive news, so a complete vaccine will be developed unless there is an unexpected change. According to Pfizer's report, 50 million vaccines will be 50 million vaccines by 2020. In addition, it said it will produce 1.3 billion vaccines by 2021. One of the most likely vaccines by many experts is the vaccine.

Image / Pixabay

Which people should be the first to be distributed?

If vaccines are commercialized, distribution problems will arise unconditionally. Many people will want to get the vaccine first. Unfortunately, however, the number of vaccines is limited and there will be a disruption in supply in the early stages of the commercialization of the vaccine. This is because supply is limited compared to overflowing demands.

The first targets to be inoculated are medical staff who have to deal directly with patients and transport personnel who transport patients. If they are infected, all medical facilities will be shut down, and they are the first people to be protected. The next target to be inoculated is contact with many people, including soldiers, police and firefighters, and essential personnel needed for the nation. They should be inoculated so that the overall system of society works smoothly.

At the end.

The news of the vaccine's development was really good news. Though still in the middle stage, there was hope. Pfizer's CEO was so hopeful that he said, "You'll finally see the light at the end of the tunnel." I hope this disaster, which seemed to never end, will be over and I will see him take off his mask and take a walk in the streets.

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