
Two years after it emerged, ‘cow flu’ is still circulating—and baffling scientists
<a href="https://news.google.com/rss/articles/CBMitwFBVV95cUxNeDJVYzEyRTF6QzZYbm9taDJCRHRtaE1CSDhWTUdxdnpXWjRzTlJaSUhucjBjN0ViZVJDNHJYdGZCZDU4Sk5sXzRDdEVPUG15ZXA5RUR4Y0Z1Y0d0UGx5cW95cnJjWVdTX1BxTUxmQ0RMal9ScFZFWVh5VUF1QW5YcmJlX19GMDQ0bHZnNmg1QWZYTVpTLUx0dXdFVXZMNXNJLTk2V09PaFlyVzBPQkx1dE91YXBacHM?oc=5" target="_blank">Two years after it emerged, ‘cow flu’ is still circulating—and baffling scientists</a>&nbsp;&nbsp;<font color="#6f6f6f">Science | AAAS</font>


