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  • Coronavirus disease 2019 (COVID-19) - Symptoms and causes
    COVID-19 is caused by infection with the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) The coronavirus spreads mainly from person to person, even from someone who is infected but has no symptoms
  • COVID-19: A threat to the respiratory system - PMC
    Coronaviruses are well-known to have a negative impact on the lungs and cardiovascular system SARS-CoV-2 induces a cytokine storm that primarily targets the lungs, causing widespread clinical disorders, including COVID-19
  • About COVID-19 | Covid | CDC
    COVID-19 spreads when an infected person breathes out droplets and very small particles that contain the virus Other people can breathe in these droplets and particles, or these droplets and particles can land on others' eyes, nose, or mouth
  • What Does COVID-19 Do to Your Lungs? - WebMD
    COVID-19 is a serious respiratory disease, but how does it really affect your lungs if you get infected? Here’s what coronavirus can do to your lungs in mild-to-moderate, severe, and critical
  • Coronavirus - World Health Organization (WHO)
    Coronavirus disease (COVID-19) is an infectious disease caused by the SARS-CoV-2 virus Most people infected with the virus will experience mild to moderate respiratory illness and recover without requiring special treatment However, some will become seriously ill and require medical attention
  • Why covid-19 is “a vascular disease masquerading as a respiratory one . . .
    Although covid is transmitted through the respiratory system, much of the pathology unfolds in the vascular system, with microvascular damage, thromboinflammation, and dysregulated perfusion underpinning the cardiac, pulmonary, and neurological manifestations of severe disease
  • COVID-19 Pathophysiology: How the Virus Affects the Body
    Infected individuals often develop pneumonia, where the air sacs (alveoli) in both lungs fill with fluid, limiting oxygen uptake This fluid buildup and tissue thickening make it harder for oxygen to pass into the bloodstream, leading to symptoms like cough and shortness of breath
  • Respiratory Virus Infections: Understanding COVID-19
    They belong to several virus families, and although many features of infection with these diverse viruses are shared, some have unique characteristics Here we explain what happens when we are infected by respiratory viruses, including SARS-CoV-2, which causes COVID-19
  • Acute SARS-CoV-2 infection - Nature Reviews Disease Primers
    Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is a respiratory pathogen that emerged in December 2019 and caused a global pandemic by March 2020, with >7 million deaths due to
  • How Coronaviruses Cause Infection—from Colds to Deadly Pneumonia
    The major difference between coronaviruses that cause a cold and those that cause a severe illness is that the former primarily infect the upper respiratory tract (the nose and throat), whereas





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