<![CDATA[Influenza or more popular is called flu is a kind of disease caused by virus which infect system of respiratory. Virus of influenza spread by direct contact with a host, so it is needed a quarantine and isolate program to rein it. By quarantine and isolate, formulation of reproduction number are made, by then is to determine a strategy to rein the virus. As a verification of formula obtained, we study the avian influenza at Central Java on September 2005 – April 2008.  ]]>
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