Happy99
... that Happy99 was the first computer virus to spread rapidly by email?
... that <b id="mwFpk"><a href="./Happy99" id="mwFpo" rel="mw:WikiLink" title="Happy99">Happy99</a></b> was the first <a href="./Computer_virus" id="mwFps" rel="mw:WikiLink" title="Computer virus">computer virus</a> to spread rapidly by <a href="./Email" id="mwFpw" rel="mw:WikiLink" title="Email">email</a>?