Tweet from SF_DPH at August 03, 2021 at 08:08AM
The data here in SF shows that COVID-19 vaccines are powerful at preventing severe illness and hospitalizations. Masks & face coverings provide an added layer of protection against the virus. Learn more about the data here: https://t.co/6V0KuqAkuR #MaskUpSF
— SFDPH (@SF_DPH)
Aug 3, 2021
from http://twitter.com/SF_DPH