There are many ways community members and workers can reduce the risk of transmitting and acquiring COVID-19. Some of these methods, such as wearing face masks, practicing hand hygiene and distancing, and increasing indoor ventilation are effective and low- or no-cost.
Below is a summary table of the best studies and research on COVID-19 prevention interventions compiled by Sophy S. Wong, MD, Director of East Bay Getting to Zero. Click here for a more detailed COVID-19 harm reduction table frequently updated with primary sources.
We can use some or all of them in combination. We do the best we can with what we have and can do. The more strategies we use together, the more effective we can prevent the spread of COVID-19 and save lives.