Impact of contact tracing, respect of isolation and lockdown in reducing the number of cases infected with COVID-19: Case study: Tunisia's response from March 22 to 04 May 2020.
Int J Infect Dis. 2021 Feb 9:S1201-9712(21)00096-5. doi: 10.1016/j.ijid.2021.02.010. Online ahead of print. Int J Infect Dis. 2021. PMID: 33578008 Free PMC article.