Weâre here to help. A router and modem are two very different devices, though many ISPs offer a combined modem/router unit. A router is a device thatâs connected to two networksâlike your home network and the Internetâand forwards traffic between them.
The liver may be injured during the course of many diseases that are systemic or predominantly involve other organs. In this setting, the mechanisms of liver injury can be broadly classified as vascular, toxic, immune, and hormonal, as summarized in Fig. 1.
Hepatitis A: Hepatitis A is a highly contagious liver disease caused by the hepatitis A virus. Spread primarily by the fecal-oral route or by ingestion of contaminated water or food, the number of annual infections worldwide is estimated at 1.4 million. Symptoms include fever, fatigue, jaundice, and dark urine.epatitis A: Hepatitis A is a highly contagious liver disease caused by the hepatitis A virus. Spread primarily by the fecal-oral route or by ingestion of contaminated water or food, the number of annual infections worldwide is estimated at 1.4 million. Symptoms include fever, fatigue, jaundice, and dark urine.