I just came across this letter Dr. Beatrice Golomb wrote in August of 2017 :

https://www.electrosmogprevention.org/public-health-alert/health-alerts-5g-small-wireless-cells/dr-beatrice-golomb-ucsd-researcher-speaks-out-about-5g-dangers/

In August of 2019, she wrote the letter below to Jim Desmond and the San Diego County Board of Supervisors:

http://www.electrosmogprevention.org/public-health-alert/health-alerts-5g-small-wireless-cells/letter-dr-golomb-dangers-of-5g/

It's a deep-dive into the topic, in case you want to read up.