Covid: Immune therapy from llamas shows promise

A Covid therapy derived from a llama named Fifi has shown "significant potential" in early trials. It is a treatment made of "nanobodies", small, simpler versions of antibodies, which llamas and camels produce naturally in response to infection. Once the therapy has been tested in humans, scientists say, it could be given as a simple nasal spray - to treat and even prevent early infection.
Read more: https://www.bbc.co.uk/news/science-environment-58628689?source=Snapzu