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Russian scientists re-infected themselves COVID-19; Does herd immunity really work?

 


Earlier this year, the planet appeared to have acquired several different terms in the coronavirus epidemic. Words and phrases such as social distance, quarantine, and lockout have been introduced and become more popular, so I use them almost every day.

One such word was “herd immunity.” This is a phenomenon that many have relied on after a while to get relief from the COVID-19 pandemic.Maybe herd immunity Apparently Like a good concept, successful viral vaccination has not yet been discovered and there is no actual cure for the illness it causes. However, herd immunity appears to be a flawed strategy as the coronavirus travels more and more around the globe, creating cases of reinfection.

Professor is contaminated twice with coronavirus

The professor was contaminated with a second new coronavirus to determine the efficacy of the antibody, the risk of reinfection, and whether COVID-19 provides herd immunity.

Dr. Alexander Cheprnov, 69, was infected with COVID-19 during a ski trip in France in February. Fortunately, he returned from illness without having to go to the doctor. But to measure his tolerance, he wanted to re-infect himself with an infection.

His team at the Novosibirsk Center for Clinical Trials and Medicine studied “how antibodies work, how powerful they are, and how long they stay in the body.”

The relationship between cough and COVID-19 is blocking the treatment of lung cancer patients

(Photo: Vivado)
The relationship between cough and COVID-19 is blocking the treatment of lung cancer patients

“COVID-19 antibody decreased immediately”

Researchers have observed a rapid decrease in COVID-19 battle cells or COVID-19 antibodies in Dr. Chepurnov’s body.

Dr. Chepurnov said experts could no longer detect his antibodies by the end of the three months from the moment he felt sick, “Metro said. report.. To assess the likelihood of reinfection, he chose to use a mask to reveal himself to COVID-19 patients.

Chepurnov’s story also seems to be consistent with other studies suggesting that immunity is at least sustained. 5-7 months.. He said his body’s defenses had diminished just six months after receiving the first infection. He had a sore throat as the first symptom. “Compared to the first infection, the second infection sent him to a doctor.” He had a fever for five days and his temperature was above 39 degrees. He lacked taste and aroma.

A CT scan of the lungs was clear on the 6th day of infection, but X-rays revealed double pneumonia only 3 days later. However, after only two weeks of exposure, the virus disappeared and became undetectable in samples screened for coronavirus.

Therefore, researchers argued that the expectation of defeating the herd immunity pandemic was overwhelming.

Content of efficient COVID-19 vaccine results

Herd immunity is a phenomenon in which multiple vaccinations are used for many diseases to prevent and control the disease. Therefore, in the case of COVID-19, if herd immunity is unreliable, it may mean that not all forms of vaccination are successful against the virus.

We need a vaccine that can be used multiple times, but recombinant vaccines are not suitable, “Dr. Cheprnov said.

“Injecting an adenovirus vector-based vaccine cannot be repeated because immunity to the adenovirus carrier continues to interfere.”

Dr. Chepurnov also works at the National Center for Virology and Biotechnology Science Vectors in Siberia, where scientists produce the second coronavirus vaccine in Russia known as EpiVac Corona.

Russia First country Worldwide to record vaccines against COVID-19 in August 2020. However, many analysts and scientists have questioned the protection and effectiveness of Sputnik V.

Check out more news and information about COVID-19 (new coronavirus infection) (# If there is no character limit, add parentheses when it first appears Science Times.

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