Severity soars among Hanoi Covid cases

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Doctors check a Covid-19 patient on a ventilator system at the National Hospital for Tropical Diseases in Hanoi, December 2021. Photo by VnExpress/Giang Huy

 

In a week by Monday, Hanoi had recorded 670 severe Covid-19 patients, up 3.5 percent against the week before.

 

Of those patients, 33 rely on high-flow nasal cannula oxygen, up 25.5 percent, 58 use invasive mechanical ventilation, an increase of 21.6 percent, while 25 use non-invasive ventilation, up 27.7 percent, according to the Department of Medical Service Administration under the Ministry of Health.

 

In invasive ventilation, air is delivered via a tube inserted into the windpipe through the mouth or sometimes the nose. In non-invasive ventilation, air is delivered through a sealed mask that can be placed over the mouth, nose, or whole face.

 

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