Antonie van Leeuwenhoek and Robert Hooke have made significant contributions to the development of biology using optical microscopes. Leeuwenhoek used single-lens microscopes, while Hooke used two-lens microscopes. These devices allowed these two scientists to discover the microorganisms and initiate the microbiology that is a very important science today.
That would be the police officers. If it were trying to figure out why they are intoxicated that would be their guardians. Now it is the police because it's their fault to track the sale.
I would clarify to her that it is her decision, and hers alone. If she is truly worried she might fall as a victim to the disease and has the money to afford the testing that she should most definitely go through with the testing