As the 10-year anniversary of the civil war in Syria looms and fighting rages on in the hard-hit city of Idlib, Syria, doctors contending with the pandemic are stretched to their limits. In the last three months, COVID-19 infection rates in the Syrian opposition's final stronghold have increased more than 50 percent, while the virus has been targeting the most vulnerable. Ali Rogin reports. PBS NewsHour is supported by - https://www.pbs.org/newshour/about/funders