Science & Technology

Even after recovering from the corona virus infection, there is a possibility of it coming back.

A new study has also shown that after the corona infection is cured, the immunity about the virus in the body remains for a very short time.

Scientists at King's College London are studying how the body makes antibodies to the corona virus, how many weeks and months this antibody lasts.

Antibodies found in all 96 people involved in this study were able to inhibit the corona virus. But antibody levels began to decrease over the course of three months.

However, it is not clear yet that the level of the antibody is likely to be vulnerable to the same virus. However, immunity is also short lived in common flu vegrah. In such a situation, there is a possibility of catching the same virus.

This study also showed that many times the antibodies present in the body cannot be measured, this does not mean that the body does not have immunity. Because only antibodies do not protect the body. The body also produces T cells to fight against external viruses.

This entire case still needs to be studied in detail, especially in cases where people are getting infected for the second and third time. Are they falling ill or does their body easily contend with the virus? Detailed studies can prove important to understand how effective a vaccine will be and when it will be necessary to give boosters to increase immunity.

Corona virus infection also affects the heart of patients.

A study by the University of Edinburgh, UK has indicated the effects of this virus on the hearts of the infected.

At Edinburgh University, the study was conducted on 1200 patients from 69 countries. More than half of these patients have seen abnormal heart, while 15 percent of cases have seen severe heart disease in the infected.

It is noteworthy that this study only included those who were suffering from severe infection of Covid-19. However, in most cases, only mild symptoms of corona infection occur in the infected.

Professor Mark Dweck, the lead researcher of this study, told BBC Radio 4's Today program that this research will help us take care of the infected.

Mark Dweck stated, "Heart disturbances have been seen as a serious problem for these patients. This has linked the possibility of saving their lives, it is also a factor affecting their recovery. Now we have to take good care and treatment of the heart of these patients too.''

Not only this, according to Mark, the patients of Covid-19 who have heart problems need to be stressed quickly.

Before this, the corona virus has had a long-term impact on health and the brain has been exposed.

South Korean health officials have said that one in three South Korean Corona patients have seen an improvement in their condition after giving antidepressant drug Remdesivir of Gayleed Science Inc.

According to the news agency Reuters, South Korean officials have said that additional research is still needed to determine whether the improvement in patients 'condition is due to the drug or other factors - such as patients' immunity and other treatments has come.

The drug was given in the form of injections to Corona patients during clinical trials in the United States. This reduced the time taken for patients to recover in the hospital.

Since then, Remdesivir has been used as a major weapon in the war against Covid 19.

Many countries, including South Korea, are using this medicine to treat diseases caused by the corona virus. So far no vaccine has been prepared for this virus.

The drug maker Gaylead said on Friday that an analysis has revealed that the use of Remdesivir has reduced the risk of dying of patients from the ailing Covid 19.

But the company has also said that extensive clinical trials need to be done to ensure the benefits.

Russia's Seknoff University has claimed successful testing of the Covid-19 vaccine on volunteers.

Speaking to Russian news agency Tas, Chief Researchers Ilina Smolyarchuk has said that the research results show that the vaccine is effective.

He said, "Research has been completed and it has been proved that this drug is safe." Volunteers will be discharged on 15 July and 20 July. Ilina is the Head of Clinical Research and Medicines at Seknoff University.

Volunteers will be kept under observation after being discharged from the university. In this university, the vaccine was given to a parley group of 18 volunteers on 18 June, while the other group was given this vaccine on 23 June.

The Russian Embassy in India has tweeted in this regard that it is the world's first vaccine against Covid-19.

At the same time, clinical trials of vaccines made in India are also going on. The UK-based vaccine at Oxford University is also undergoing testing. Its initial results have also been encouraging.

Indian Drug Controller Association CDSCO has approved the drug ilizomev used for the skin disease psoriasis for the treatment of Covid-19.

According to the news agency PTI, while granting this permission, it has been said that it can be used only in emergency situations and written approval letter of each patient must be obtained before its use.

An official associated with the organization has said, "The clinical trial of this drug has been done on Covid-19 patients in India." A committee of many other experts, including AIIMS pulmonologists, pharmacologists, medicine experts, found this drug suitable for the treatment of cytokine release syndrome in Covid-19 patients experiencing breathing difficulties. After this the drug was allowed.''

Dr. Mike Ryan, head of the World Health Organization's emergency program, said on Friday that the new Corona virus does not appear to be completely eradicated.

At an online press conference in Geneva, he said that "the situation that is currently visible does not seem to be able to completely eradicate the virus".

"By preventing the spread of the corona virus in clusters where more cases of infection are coming out, we can avoid another round of epidemic and move on from a lockdown situation," he said.

The Ministry of Health of India addressed the media on Thursday about the status of Covid-19 in India at a gap of 20 days.

In this press conference, Rajesh Bhushan, Officer on Special Duty, Ministry of Health and Family Welfare, said that work on two vaccines is going on in India for Covid-19.

According to Rajesh Bhushan, in collaboration with the Indian Council of Medical Research, Bharat Biotech International Limited and Cadila Health Care are producing two indigenous vaccines whose animal trials have been completed. Now their human trials are being prepared.

Recently, it was also expected that India could launch the corona vaccine on August 15, although experts have doubted that claim.

Currently, research is being done in more than a hundred places for the Covid-19 vaccine.

Doctor Julie Helms's Intensive Care Unit (ICU) admitted finger-numbing patients in early March 2020, but within a few days her ICU ward was filled with Covid-19 patients.

But the concern of Doctor Julie was not something to worry about in these patients, but something else.

Doctor Julie works at the Hospital of the University of Strasbourg, located in Northern France. "The patients were very excited," she says. Many had neurological problems. Problems such as confusion and delirium mainly. It was completely unusual and scary, especially because many of the people we treated were quite young. He was between 30 and 49 years old and some were only 18 years old. ''

In February, Chinese researchers found after a study on patients in Wuhan city that "corona virus infection also affected people's brains".

Symptoms seen by Chinese researchers in Covid-19 patients had all indicated signs of 'encephalopathy'. In medical language, the term 'encephalopathy' is used for brain damage.

Scientists have hinted at a new problem regarding the corona virus. According to scientists, due to corona virus, serious brain diseases can arise, which will also not be possible to cure.

Researchers at University College London have seen serious problems in the brain of 43 Covid-19 patients. Inflammation has been found in the brains of these patients and they have also been observed to have psychotic and fainting habit.

According to this study, patients' brain may stop working, seizures may occur. Apart from this, there may be damage to the nerves of the brain and other difficulties of the brain can be seen.

Dr Michael Zandi of the Institute of Neurology at University College London said, "Due to the corona virus there will be massive brain damage." Probably 1918 will be the situation. After the Spanish flu, there was an outbreak of mental fever encephalitis in the 1920s and 1930s.

The BBC's medical correspondent Fergus Walsh has recently written the report, according to which the corona virus may face a variety of neurological difficulties.

The World Health Organization finally acknowledged on Tuesday that there was evidence of corona virus infection spreading from the air.

Earlier, a group of scientists wrote an open letter to the WHO, urging it to improve its existing guidelines.

"We are talking about the possibility of the corona virus spreading through the air," said Maria Wa Kerkhov, technical lead doctor at the WHO-pandemic of the Covid-19 epidemic.

In this regard, Benedetta Allengranji of the World Health Organization said that there is evidence of corona virus spreading through the air, but this cannot be said for sure.

He said, "The possibility of spreading the virus through air in public places, especially in crowded, low-wind and closed areas, cannot be ruled out. However these evidences need to be gathered and understood. We will continue this work.

Earlier, the World Health Organization has been saying that the SARS-Covid-2 (Corona) virus is mainly spread through micro-drops from the nose and mouth of an infected person.

WHO has also been saying that it is possible to prevent corona virus infection in people with a distance of at least 3.3 feet. But now if the virus spreads through the air is fully proved, then the distance of 3.3 feet and the rules of physical distancing will have to be changed.

Maria wa Kerkhov said that in the coming days the WHO will issue a brief about this.

"To prevent the spread of the virus, a large scale prevention is needed. This includes not only physical distancing but also the use of masks and other rules.''

In an open letter published on Monday in the Journal of Clinical Infectious Diseases, 239 scientists from 32 countries gave evidence that it is a 'floating virus' that can stay in the air and infect people when inhaled.

In this open letter to the World Health Organization, scientists had requested that it should reconsider this aspect of the corona virus and issue new guidelines.

US pharmaceutical company Mylin NV has said that it will launch a generic version of another American drug maker Gilead Sciences' anti-viral drug Remdesivir in the Indian market at a price of Rs 4,800.

After testing on patients with Covid-19, doctors found that the anti-viral drug Remdesivir helps infected people recover faster.

Mylin NV has set the price of Remdesivir for the Indian market, which is about 80 percent less than that of rich countries.

California-based Gilead Sciences has entered into an agreement with several generic drug manufacturers to provide Remdesivir in approximately 127 developing countries.

Only last month, two Indian pharmaceutical companies - Cipla and Hetero Labs - launched a generic version of Remdesivir in India. Cipla priced his drug Sipremi at a little less than five thousand, while Hetero Labs fixed his drug Covifor at Rs 5,400.

Last week, Gilead Sciences reported that the drug has been kept expensive for developed countries, and for the next three months almost all Remdesivir has been sold in the US.

According to Mylin NV, this price is 100 mg of vial (vial). But it is not clear yet how many such violations will take to cure a patient.

According to Gilead Sciences, if a patient is given a five-day course, it takes at least six reams of Remdesivir.

Demand for this drug has increased since Covid's patients showed better results.

Mylin NV has stated that they are about to manufacture generic Remdesivir at the Indian plant itself and is also trying to supply the drug with license for about 127 countries of low income.

The Drug Controller General of India has approved Mylin's remade as DesRem.

India is currently the third country in the world where the highest number of infections have been reported.