It turns out, cows may play an important role in responding to the COVID-19 pandemic.
SAB Biotherapeutics is in the business of making what are known as polyclonal antibodies. These are a collection of different antibodies that a body makes to ward off a specific invading organism.
The company has made polyclonal antibodies to treat influenza and MERS. Now it's making them with the aim of treating or even preventing COVID-19. To make them, SAB uses cows.