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Artículos sobre SARS-CoV-2

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Red mitochondria in airway cells become coated with green SARS-COV-2 proteins after viral infection: Researchers discovered that the virus that causes COVID-19 damages lungs by attacking mitochondria. (Stephen Archer)

How COVID-19 damages lungs: The virus attacks mitochondria, continuing an ancient battle that began in the primordial soup

COVID-19 causes lung injury and lowers oxygen levels in patients because the SARS-CoV-2 virus attacks cells’ mitochondria. This attack is a throwback to a primitive war between viruses and bacteria.
President Joe Biden tested positive for COVID-19 on July 21, 2022, but was reportedly feeling well enough to work and take calls, as seen in this photo released by the White House. Adam Schultz/The White House via AP

Biden tests positive for COVID-19: An infectious disease doctor explains the risks and treatments available for the 79-year-old president

According to a letter from Biden’s doctor, the president has a runny nose, mild fatigue and a slight cough. The letter also noted that Biden began taking an antiviral drug the morning he tested positive.

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