Coronavirus morning recap: Second 'key', 5 million to be tested in Chinese city, and TB threat Health24


Source: health24.com health24.com

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Researchers discover a second 'key' that makes the new coronavirus infectious As the number of confirmed global SARS-CoV-2 infections nears 1.7 million, scientists are still battling to understand what makes the virus so effective and transmissive. But a new study may have the answer: The virus is using a second protein, called neuropilin-1, to facilitate entry into human cells. The first receptor, angiotensin-converting enzyme 2 (ACE2), was discovered during the early stages of the pandemic, and scientists came to understand how the virus used it to bind to the surface of cells. An enzyme called type II transmembrane serine protease...