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The reasons why the virus can successfully invade the cells in your respiratory tract are spikes which are surface proteins.
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Coronaviruses constitute the subfamily Orthocoronavirinae. In the family Coronaviridae, order Nidovirales, and realm Riboviria.
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The worldwide covid 19 tally is steadily on a run and has shown no signs of coming to a halt. As the virus rages on
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