April 17, 2021


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Pfizer’s vaccine will guarantee six months of protection

After taking the second dose of Pfizer-Bioentech corona vaccine, the human body develops corona-resistant proteins and the vaccine has the highest efficacy for the first six months. Doses of this tick can develop resistance in the human body against conventional coronavirus and any type of this virus.

Authorities at Pfizer and Bioentech said in a statement on Thursday that the results were obtained at the end of a third-phase medical trial of the Pfizer-Bioentech vaccine.

But vaccine experts in the United States say the vaccine lasts longer, not six months. This is because the vaccine plays a role in the formation of special cells in the body within a few weeks of receiving the vaccine.

The corona vaccine was jointly developed by US pharmaceutical company Pfizer and German biotechnology company Bioentech in November last year. The United States and Europe also approved the vaccine for emergency use in the first week of December.

Of the 47,000 volunteers who took part in the trial, 600 were from South Africa and six of the 928 coronaviruses were infected with the South African virus.

According to international biologists, physicians and scientists, the South African strain of the coronavirus, or B1.351, is the most dangerous strain of SARS-Cove-2 or coronavirus ever identified.

The US Centers for Disease Control (CDC) has already stated that the vaccine is 100 per cent effective in critically ill patients with coronavirus, the statement said. Another regulator, the US Food and Drug Administration (FDA), ruled that the vaccine was 95.3% effective in critically ill patients.

Albert Borla, chairman and CEO of Pfizer, said in a statement: “The results of the third phase of the medical trial are very promising. It boosted our confidence. ”

“Within a few weeks of taking two doses of the vaccine, the human body begins to develop corona-resistant proteins,” he said. After six months, the protein reaches its maximum active level.

‘But in the meanwhile, a special type of cell called B cell grows in the human body due to the effect of vaccine. The function of these cells is to produce corona-resistant proteins in the human body. For this reason, if for some reason the effectiveness of the tick dose protein decreases after six months, there is no problem. B cell fills that gap. ‘

Zayadi / SI

Kaler Kantho: Ordinary people have been affected on both sides by the announcement of half fare for public transport and 60 percent increase in fares. Is it reasonable to give instructions for public transport with almost everything open?

Farhad Hossain: The matter has been taken from the concerned ministry through deliberation. It has been effective before. 50 percent of the manpower is working in our government offices. All types of gatherings including entertainment centers, meetings and associations have been asked to be restricted or closed. If you notice, local administrations in different parts of the country are taking different measures.


Kaler Kantho: The decision to stop motorcycles running in the ride sharing app will increase people’s suffering. What initiatives has the government taken in this regard?

Farhad Hossain: It is a very temporary decision. On the other hand, 35 new BRTC double deckers have been installed on the streets of Dhaka today (yesterday) to reduce the suffering of the people. Tomorrow (today Friday) 25 more buses will land. In all, 60 buses have been arranged.


Kaler Kantho: Book fair is going on in Dhaka. Development fairs are going on at district level all over the country. But the government has asked to limit all kinds of public gatherings. Isn’t that contradictory?

Farhad Hossain: A certain class of people go to the book fair. The time limit of book fair has also been reduced.