Nasal Swab Army Spc. José Santiago administers a COVID-19 test in Humacao, Puerto Rico, April 29, 2022. The Puerto Rico National Guard continues to assist the Department of Health by administering COVID-19 tests throughout the island. SHARE IMAGE: Download Image: Full Size (2.4 MB) Tags: National Guard, coronavirus Photo By: Army Sgt. José Ferrer, Army National Guard VIRIN: 220429-Z-SJ606-1010.JPG Photo Gallery