Cape Town is testing a Covid-19 vaccine designed to protect against new variants

Researchers in Cape Town are starting local clinical trials of a Covid-19 vaccine designed to protect people from infection caused by variants of the coronavirus, now and in the future.

The vaccine was developed by California-based biotechnology companies ImmunityBio and NantKwest. It targets both a protein known as a nucleocapsid, which coronaviruses use to infect their host, and the...