First responders around the world are on the front lines to help fight COVID-19, making them vulnerable to catching the virus.
In Washington, D.C., at least seven firefighters have tested positive for COVID-19.
Nurses and doctors are also at risk. Many countries have reported high numbers of medical staff testing positive. Are first responders ready?
A firefighter shares with CGTN what it's like behind the scenes for those fighting COVID-19.
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