用一段英文描述疫情下的奉献的真实冷门的提及姓名的事例

One of the unsung heroes of the COVID-19 pandemic is Dr. Sandra López, a medical doctor from Mexico City. She has dedicated her time and energy to providing medical care and support to those affected by the virus in her city. Despite being overworked and understaffed, she has continued to show up each day with a smile on her face and a determination to help as many people as possible. Her dedication has not gone unnoticed by those around her, as she was recently honored with an award for her outstanding service during this difficult time.