As of April 13, 2020, the number of people diagnosed with Covid-19 has exceeded 1.85 million, and scientific methods are needed to confirm or exclude whether patients are infected with Covid-19. Facing the increasingly popular diseases in the world, researchers from various countries continue to develop more effective diagnosis and treatment methods.

  Recently, researchers at the University of Bahrain (BIU) in Israel have developed a method for remote diagnosis of Covid-19 using a laser beam.This is a device that can remotely perceive changes in tissue movement caused by disease even at tens of meters away. The device can recognize symptoms such as redness and swelling of the lungs, fever and decreased oxygen saturation in the blood. The researchers said: "Our device can remotely sense nano-motion of tissue close to blood vessels and detect changes in motion caused by these parameters."The research team believes that this new method can be diagnosed from a distance, and can reduce the risk of medical staff infection.

  In another study conducted by Bayran University (BIU), researchers are studying antibodies that can be injected as passive vaccines against Covid-19. The creation of new antibodies is accomplished by "mapping" the recovered antibodies of coronavirus patients.

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