Swine Flu

Presenter: Ali Azarashk

Overview

Introduction Classification History Transmission Signs and Symptoms Treatment

Introduction Swine influenza refers to influenza caused

by those strains of influenza virus, called swine influenza virus (SIV), that usually infect pigs.

Classification

Influenza C Influenza A

H1N1 H1N2 H3N1 H3N2 H2N3

History:

1918 pandemic in humans 1976 U.S. outbreak 1988 zoonosis 1998 US outbreak in swine 2007 Philippine outbreak in swine 2009 outbreak in humans

Transmission

Transmission between pigs Transmission to humans Interactions with avian H5N1 in pigs

Signs and Symptoms In Swine

Signs and Symptoms

In Humans

Treatment

In Swine

In Humans