LOS ANGELES - A 22-year-old college student in Los Angeles has been left to care for her 17-year-old brother, after the coronavirus swept through her household, killing first her grandmother, then taking her father, and finally her mother.With the onset of the pandemic, Hannah Kim was sheltered in place along with her brother and parents in the family's apartment in the Koreatown neighborhood of Central Los Angeles.Los Angeles family losses grandmother, father, and mother to COVID-19. (The Hannah and Joseph Kim Family Fund (GoFundMe)/Hannah Kim)Then in April, the family moved the Kims' 85-year-old grandmother, who had dementia, out of the nursing home she had resided in for the past six years and brought her into their home.