CoronaVac and SARS-CoV-2 Closest to COVID19?

June 15, 2020
 Positive preliminary results for the first and second stage of the company's clinical trial of COVID-19 vaccine, called CoronaVac Positive preliminary results for the first and second stage of the company's clinical trial of COVID-19 vaccine, called CoronaVac Photo source: - Compilation of news visibility from Google

Egyptian News Vision: - BioRxiv website said that previous studies of SARS-CoV-2 antiviral vaccines, demonstrated that anti-viral vaccines of this type of virus can have a negative effect, increasing the severity of the disease, especially patients with weakened immunity.

This risk is the main obstacle that must be removed, before testing the vaccine for thousands of healthy people.

According to the results of this study, researchers injected six-week-old laboratory mice with different doses of vaccine, including very strong doses; With the aim of stimulating the immune system response, these mice were then exposed to the effect of the virus.

The researchers confirm that the preliminary results showed that this vaccine, produced by the American company Moderna, is a "strong immunomodulating substance", and it can neutralize the virus activity with only one dose.

This comes while Sinovac Biotech, a leading biopharmaceutical product in China, has announced positive first results for phase one and two of the company's clinical trials of the COVID-19 vaccine, called CoronaVac, which have demonstrated immunity and safety suitability.

The Chinese company, Sinovac Biotech, said in a statement on its official website, that the experimental vaccine for coronavirus, which is now being tested, is safe and capable of provoking an immune response from human experiments, which indicates the possibility of success against infection with the new coronavirus.

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