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Researchers Develop Supercomputer Based System To Forecast Coronavirus Spread

Researchers can build different experimental versions in the system according to different prevention and control measures for comparison and evaluation, said Chen Bin, one of the researchers

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Developed by a research team from the National University of Defence Technology, the system was built based on China's first petaflop supercomputer the Tianhe-1, Xinhua reported on Wednesday. Pixabay

Chinese researchers have developed a system based on a supercomputer to forecast the spread trend of COVID-19 and evaluate the effect of prevention and control, according to the Science and Technology Daily.

Developed by a research team from the National University of Defence Technology, the system was built based on China’s first petaflop supercomputer the Tianhe-1, Xinhua reported on Wednesday.

A city model with a population of more than 11 million and 198 communities was created in the system to demonstrate the spread process of the epidemic.

Using technologies like big data analysis, the system can quickly forecast the trend of the epidemic in key areas according to the real-time situation, providing early warnings for accurate prevention and control.

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Chinese researchers have developed a system based on a supercomputer to forecast the spread trend of COVID-19 and evaluate the effect of prevention and control, according to the Science and Technology Daily. Pixabay

Researchers can build different experimental versions in the system according to different prevention and control measures for comparison and evaluation, said Chen Bin, one of the researchers.

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The researchers also conducted a large sample calculation experiment to provide accurate data support for decision-making on work resumption. Based on the experimental results, they have provided several reports to relevant government departments and agencies. (IANS)

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Can TB Vaccine Fight COVID-19? Here is the Answer

TB vaccine a potential new tool to fight COVID-19: Study

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Researchers have found that Bacillus Calmette-Guerin (BCG), a vaccine for tuberculosis (TB), could be a potential new tool in the fight against the disease. Pixabay

Examining how the COVID-19 has impacted different countries, researchers have found that Bacillus Calmette-Guerin (BCG), a vaccine for tuberculosis (TB), could be a potential new tool in the fight against the disease.

The study that appeared in the pre-print repository medRxiv, proposed that national differences in COVID-19 impact could be partially explained by the different national policies respect to BCG childhood vaccination.

The BCG vaccine has existed for almost a century and is one of the most widely used of all current vaccines.

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BCG vaccine has a documented protective effect against meningitis and disseminated TB in children.

vaccine
The BCG vaccine has existed for almost a century and is one of the most widely used of all current vaccines. Pixabay

It has also been reported to offer broad protection to respiratory infections.

For the study, the researchers compared large number of countries BCG vaccination policies with the morbidity and mortality for COVID-19.

“We found that countries without universal policies of BCG vaccination (Italy, the Netherlands, the US) have been more severely affected compared to countries with universal and long-standing BCG policies,” said the study conducted by researchers from New York Institute of Technology (NYIT) College of Osteopathic Medicine in the US.

The number of confirmed coronavirus cases in the US has increased to 142,502, the highest in terms of infections globally, according to the latest tally from Johns Hopkins University’s Center for Systems Science and Engineering (CSSE).

The CSSE data showed that at least 34,026 people have died due to the disease in the country.

In Italy, which is one of the worst affected countries, 10,779 people have died due to COVID-19.

In this latest study on impact of BCG vaccination on COVID-19, researchers also found that countries that have a late start of universal BCG policy, for example, Iran had high mortality, consistent with the idea that BCG protects the vaccinated elderly population.

“There was a positive significant correlation between the year of the establishment of universal BCG vaccination and the mortality rate, consistent with the idea that the earlier that a policy was established, the larger fraction of the elderly population would be protected,” said the study.

vaccine
BCG vaccine has a documented protective effect against meningitis and disseminated TB in children. Pixabay

“For instance, Iran has a current universal BCG vaccination policy but it just started in 1984, and has an elevated mortality with 19.7 deaths per million inhabitants.

“In contrast, Japan started its universal BCG policy in 1947 and has around 100 times less deaths per million people, with 0.28 deaths. Brazil started universal vaccination in 1920 and also has an even lower mortality rate of 0.0573 deaths per million inhabitants,” the resulst showed.

Iran announced 2,901 new COVID-19 cases on Sunday as the total number of confirmed cases soared to 38,309. Also, the death toll from the disease reached 2,640 in Iran, while 12,391 patients have recovered.

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As the numbers of tuberculosis cases dropped in the late 20th century, several middle high and high-income countries in Europe dropped the universal BCG policy between years 1963 and 2010.

“The combination of reduced morbidity and mortality makes BCG vaccination a potential new tool in the fight against COVID-19,” the researchers concluded.

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Gonzalo H. Otazu of NYIT is the corresponding author of the study.

The COVID-19 death toll in Europe climbed to over 21,000 out of more than 360,000 confirmed cases. (IANS)