Statutory Instrument 108 of 2021. Public Health (COVID-19 Prevention, Containment and Treatment) (National Lockdown) (No. 2) (Amendment) Order, 2021 (No. 20)by Government of Zimbabwein Legal - The Lawon Posted on May 14, 2021 Statutory Instrument 108 of 2021. Public Health (COVID-19 Prevention, Containment and Treatment) (National Lockdown) (No. 2) (Amendment) Order, 2021 (No. 20)