Latest natalizumab PML risk update

ProfG    
.fa {
padding: 10px;
font-size: 20px;
width: 20px;
text-align: center;
text-decoration: none;
margin: 5px 2px;
border-radius: 50%;
}

.fa:hover {
opacity: 0.7;
}

.fa-facebook {
background: #3B5998;
color: white;
}

.fa-twitter {
background: #55ACEE;
color: white;
}

.fa-google {
background: #dd4b39;
color: white;
}

.fa-linkedin {
background: #007bb5;
color: white;
}

.fa-youtube {
background: #bb0000;
color: white;
}

.fa-instagram {
background: #125688;
color: white;
}

.fa-pinterest {
background: #cb2027;
color: white;
}

.fa-snapchat-ghost {
background: #fffc00;
color: white;
text-shadow: -1px 0 black, 0 1px black, 1px 0 black, 0 -1px black;
}

.fa-skype {
background: #00aff0;
color: white;
}

.fa-android {
background: #a4c639;
color: white;
}

.fa-dribbble {
background: #ea4c89;
color: white;
}

.fa-medium {
background: #000000;
color: white;
}

.fa-tumblr {
background: #2c4762;
color: white;
}

.fa-vine {
background: #00b489;
color: white;
}

.fa-foursquare {
background: #45bbff;
color: white;
}

.fa-stumbleupon {
background: #eb4924;
color: white;
}

.fa-flickr {
background: #f40083;
color: white;
}

.fa-yahoo {
background: #430297;
color: white;
}

.fa-soundcloud {
background: #ff5500;
color: white;
}

.fa-reddit {
background: #ff5700;
color: white;
}

.fa-rss {
background: #ff6600;
color: white;
}