Covid-19 pandemic Era.

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Covid-19 is a SARS virus which can attack respiratory system of the human body and cause death. Covid-19 also called as Corona virus. It was first identify from Wuhan, in China. After that it spreader very fastly all around the world. Initially, we had not found any vaccines immediately, therefore we have lost lot of ones. 

Between this, every scientists had to meet a problem when famous the vaccine. Viruses generally change their protein envelop frequently. Therefore, we cannot discover a perfectly vaccine like bacteria, for viruses. It has taken too long for scientists. 

After that, every country has put lockdown and tried to find vaccine for this Covid-19 pandemic. Oxford university first introduced Astra Zeneka vaccine to the world; unfortunately someone got allergic like blood clotting. Then many well developed countries has tried to invent vaccines for this Covid-19 until now. 

In this pandemic situation, our world has changed. Every one has to spend our life in home. According to the data, we can perceive that economic has collapsed, agriculture has poor. However, due to the restriction air pollution and water pollution are lower than before.

According to the economic data, we can perceive that every country's currency has lower than before. National workers and private workers has taken rest on their home.

At the same while, number of vaccination also raise in every country which helps to prevent from Covid-19. On the other hand, water quality and air quality are high. 

However, the satellite data shows our usually works are one of the reason to pollute our Earth.


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