The new testing initiative is called "City Test SF" and will be located at Piers 30 and 32.
"They are taking care of us so it's important we take care of them," said Mayor Breed.
The mayor says the initial focus will be on first responders in the city and then will be expanded to shelter workers, others on the frontlines.
Get the latest news, information and videos about the novel coronavirus pandemic here
RELATED STORIES & VIDEOS:
- Live updates about coronavirus outbreak in US, around the world
- Everything you need to know about the Bay Area's shelter-in-place order
- Stimulus calculator: How much money should you expect from coronavirus relief bill
- What Bay Area tenants need to know about rent payments, eviction amid COVID-19 outbreak
- Live updates about coronavirus outbreak in US, around the world
- Here's how shelter in place, stay at home orders can slow spread of COVID-19
- Coronavirus Timeline: Tracking major moments of COVID-19 pandemic in San Francisco Bay Area/
- Coronavirus and the new normal of living in the San Francisco-Bay Area -- COVID-19 Diaries
- Happy hour goes virtual as people try to be sociable while social distancing during COVID-19 crisis
- Coronavirus Outbreak: Here's why you should practice 'social distancing'
- DRONEVIEW7: What the Bay Area looks like during the coronavirus shelter-in-place
- ABC7's drive around San Francisco shows empty streets, businesses shuttered
- Symptoms, prevention, and how to prepare for a COVID-19 outbreak in the US
- List of stores, companies closing due to coronavirus pandemic
- Canceled late fees, free services available amid COVID-19 crisis
- Here's how you can help during COVID-19 pandemic
- How to maintain learning during school closures
- No masks but here are 100+ products that may help protect you against novel coronavirus germs
- Here's a look at some of history's worst pandemics that have killed millions
- Asian community fighting racism, xenophobia, bigotry as world fights COVID-19