Cow Ability to Produce Unique Antibodies May Be A Key To Fight Human Infectious Disease

Unusual Antibodies In Cows Suggest New Ways To Make Medicines For People.  Science Daily.  June 6, 2013.

(1)  Researchers have finding hints that an ___________________________ can sometimes be the key to a successful defense against a dangerous infection.

(2)  Long __________ are rare in humans but cows make even longer ones all the time.

(3)  What is a recent example of research on long CDR H3's and HIV?