35 companies in race to produce wonder vaccine to prevent COVID-19, trials started


London, Mar 26 (IANS): As the world anxiously awaits a possible vaccine to prevent thousands of people getting infected from COVID-19 virus, around 35 pharmaceutical companies and institutes are racing against time to create such a vaccine. At least four such companies, have already started testing in animals.

The science journal of American Association of Advancement in Science (AAAS) reports that Boston based biotech firm, Moderna Therapeutics is speeding the vaccine through an internal safety trial in collaboration with National Institute of Allergy and Infectious Disease.

The company said that it plans to distribute the vaccine to health care workers by September, this year. Moderna has shared little detail in published papers about the technology it's developing.

This unprecedented speed to create a vaccine stems from the early Chinese efforts to sequence the genetic material of Sars-CoV-2, the virus that causes Covid-19.

The Chinese medical authorities wasted no time in sharing that sequence with research groups as early as January. The cooperation enabled the research companies around the world to grow the live virus and study how it invades human cells and makes people sick.

In fact Coronaviruses have caused two other recent epidemics -- severe acute respiratory syndrome (Sars) in China in 2002-04, and Middle East respiratory syndrome (Mers), which started in Saudi Arabia in 2012.

Leading english daily Guardian in its report says that "both cases, work began on vaccines that were later shelved when the outbreaks were contained. One company, Maryland-based Novavax, has now repurposed those vaccines for Sars-CoV-2, and says it has several candidates ready to enter human trials this spring."

Besides, Moderna Therapeutics also built on earlier work on the Mers virus conducted tests with help of Institute of Allergy and Infectious Diseases in US.

As per the universal norms, clinical trials for such vaccines are held in the three different phases.

The first phase involves testing of vaccines on a few dozen healthy volunteers to look for its adverse effect and safety.

The second phase is about testing the vaccines on a few hundred people living in epidemic affected part of the world to see how potent is the vaccine.

The third phase is to enlarge the sample which runs into thousands of person being tested for effectiveness of the vaccine to fight the disease.

All the companies including Moderna will now have to go through these phases to finally come with a successful vaccine for the pandemic.

  

Comment on this article

  • Robin, Byndoor

    Thu, Mar 26 2020

    ....
    The Chinese medical authorities wasted no time in sharing that sequence with research groups as early as January. ....

    World says that the creator of that Virus is China. You say that Chinese shared genetic sequence !!!!

    Which one to believe ?

    DisAgree Agree [2] Reply Report Abuse


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