Harvoni is applied for Hepatitis C which is viral infection that impacts the liver of a human being. It uses two antiviral agents to block replication by the virus. A prescription is needed as a doctor has to assess your state of health, your liver function and perhaps the kind of medication you’re taking to offer the right dosage. It has to be used under the directions of a professio... https://allinformationalcenter.com/the-risks-of-buying-harvoni-online-without-a-prescription/