“Don’t they spit?” is the first question people asked me when I said I was going to hike with llamas. It’s a misconception that llama trainer, owner and hiking leader A.J. Collier wishes didn’t exist.

Llamas make antibodies that are much smaller than their human counterparts, yet still potent. Scientists hope that future drugs based on these molecules could provide new weapons against SARS-CoV-2.

After the economy began to sputter in 2007, Sue Morgan, a home-care nurse by trade, and her engineer husband, George, talked privately about getting out of the miniature llama breeding business. They ...

Amid the growing threat of a new and potentially more dangerous SARS-CoV-2 variant, scientists are ramping up the search for more powerful treatments. A new study now demonstrates the therapeutic ...