Parapoxvirus
...that death due to the Parapoxvirus is one of the main reasons for the decline of the number of Red squirrels on the British Isles?
...that death due to the <b id="mwAZU"><a href="./Parapoxvirus" id="mwAZY" rel="mw:WikiLink" title="Parapoxvirus">Parapoxvirus</a></b> is one of the main reasons for the decline of the number of Red <a href="./Squirrel" id="mwAZc" rel="mw:WikiLink" title="Squirrel">squirrels</a> on the <a href="./British_Isles" id="mwAZg" rel="mw:WikiLink" title="British Isles">British Isles</a>?