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New research explains why Covid-19 pneumonia is more persistent and severe than typical pneumonia

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Some individuals who become infected with Covid-19 develop severe pneumonia, which requires medical ventilation when they experience difficulty breathing.

A new study conducted by more than 100 researchers at Northwestern University and published in Nature, aimed to investigate how Covid-19 pneumonia was different from other forms of pneumonia by comparing the respective immune cells.

The researchers examined and performed a high-resolution analysis on bronchoalveolar lavage (BAL) samples from 88 Covid-19 patients on a ventilator and compared it with 253 patients with other types of pneumonia, the study explained. Many of the lung fluid samples were gathered within 48 hours of intubation, which allowed the researchers to examine both the early development and progression of Covid-19 respiratory failure.

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