Medical community scrambles to understand COVID-19 'long haulers'

They’ve become known as "long haulers" -- people who’ve been infected with COVID-19 but can’t seem to rid their bodies of its effects months later. Their symptoms run the gamut, from shortness of breath to heart palpitations to extreme fatigue. And this mystery has the medical community scrambling. Stephanie Sy reports.

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Видео Medical community scrambles to understand COVID-19 'long haulers' канала PBS NewsHour