Due to the 2020 pandemic in the US , after the confirmation of a second coronavirus case , Placer Country declared a public health energy .
On March 3 , Placer County , California declare a public health emergency following the confirmation of a second coronavirus case in that county.  On March 3 , Placer County declare a public health emergency following the confirmation of a second coronavirus case in that county.
2020 coronavirus pandemic in the United States