The students have also been helping the LCDHE team call people who test positive for COVID-19 and research best practices for essential organizations and businesses around the community. The case investigations involve contacting individuals who have tested positive and collecting information that will help the team better understand how COVID-19 is spread, to try to keep more people from becoming sick. Contact tracing involves speaking with individuals who have come into close contact with a person who is suspected of having or has tested positive for COVID-19.