The United State just started the first human trial of the Coronavirus vaccine. The first trial begun in Seattle, US health officials said on Monday. Raising the hope against COVID-19. The vaccine is called mRNA-1237. It was developed by the NIH scientists and collaborators at Moderna.

The first trial enrolls 45 healthy volunteers age 18-55. These trials will continue for 6 weeks. The participants have already received the vaccine on 16 March.

There are currently no approved official vaccines or treatments against COVID-19. COVID-19 has infected more than 3,50,000 people globally. This vaccine trial is launched at record speed. Researchers worked day and night trying to develop a vaccine, that could potentially be useful against COVID-19.

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It is an important step towards achieving the goal of fight against COVID-19. These trials will study how the different doses impact a person, keeping the participants monitored all the time for side effects.

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Coronavirus is spherical shaped, having spikes on the outer side. These spikes give them a crown-like appearance. The spikes bind with the human cells and allow entry of the virus. The vaccine being tested contains the genetic information of this spike.

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When the vaccine is injected inside the human body with the spikes mRNA, it allows the RNA to grow inside the human body, without infecting the person. This allows our immune system to develop antibodies against the mRNA. So, if a person is exposed to the virus in the future, after being vaccinated, the immune system has already the antibodies and ready to attack the virus.

Research labs and pharmaceuticals around the world are racing to develop a vaccine treatment both for the virus. According to the World Health Organisation (W.H.O.), 80 percent of COVID-19 cases are mild, 14 percent are severe and about 5 percent are critical. The critical phase results in severe respiratory illness, which causes the lungs to fill with fluid, preventing oxygen from reaching the organs.

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