To develop a pcr test, for a never before seen virus what do researches first sequence CAN SOMEONE REALLY HELP ME !

Ihope this work  the usda is responsible for regulating meat and agricultural products. examples include cuts of beef and produce like spinach. the fda is responsible for regulating other food and health-related items. examples include processed foods and diet pills.

That isn't a question

A,c,d,a,b are the answers : )