The results of test 4 on hardcover book cover, softcover book cover, hardcover plastic protective cover, DVD case, and one inch expanded polyethylene foam is a stacked configuration have been released by the REALM Project. They show that after six days of quarantine the SARS-CoV-2 virus was still detectable. This contrasts with the results of test 1, where the unstacked hardcover book cover, softcover book cover, hardcover plastic protective cover, DVD case did not show detectable virus after three days. More details can be found at https://www.webjunction.org/news/webjunction/test4-results.html?utm_source=SFMC&utm_medium=email&utm_content=REALM+Project+Test+4+results+announced&utm_campaign=&utm_term=REALM%20Project%20Email%20Updates