https://www.siliconvalley.com/2021/01/24/on-the-cusp-of-great-things-dozens-of-other-covid-vaccines-working-their-way-to-public/

Move over, Pfizer and Moderna. You won’t be the only games in town too much longer.

COVID-19 has existed for barely more than a year, but 64 vaccines are in clinical development and another 173 in preclinical development worldwide nonetheless, according to the World Health Organization. Dozens of hopefuls are in clinical trials in the U.S., including several by California researchers.