Heres all of his executive orders, proclamations, etc. from the federal registry (its not fully up to date. I made this 2-3 weeks ago)

January 31, 2020 - Suspension of Entry as Immigrants and Nonimmigrants of Persons Who Pose a Risk of Transmitting 2019 Novel Coronavirus and Other Appropriate Measures To Address This Risk

February 29, 2020 - Suspension of Entry as Immigrants and Nonimmigrants of Certain Additional Persons Who Pose a Risk of Transmitting 2019 Novel Coronavirus

March 3, 2020 - Delegation of Authority to Re-establish the Presidential Advisory Council on Combating Antibiotic- Resistant Bacteria

March 11, 2020 - Suspension of Entry as Immigrants and Nonimmigrants of Certain Additional Persons Who Pose a Risk of Transmitting 2019 Novel Coronavirus

March 11, 2020 - Making General Use Respirators Available

March 13, 2020 - Declaring a National Emergency Concerning the Novel Coronavirus Disease (COVID-19) Outbreak

March 13, 2020 - Expanding State-Approved Diagnostic Tests

March 14, 2020 - Suspension of Entry as Immigrants and Nonimmigrants of Certain Additional Persons Who Pose a Risk of Transmitting 2019 Novel Coronavirus

March 18, 2020 - Prioritizing and Allocating Health and Medical Resources to Respond to the Spread of COVID-19