Statutory Instrument 87A of 2021. Public Health (COVID-19 Prevention, Containment and Treatment) (National Lockdown) (No. 2) (Amendment) Order, 2021 (No. 19)by Government of Zimbabwein Legal - The Lawon Posted on April 16, 2021 Statutory Instrument 87A of 2021. Public Health (COVID-19 Prevention, Containment and Treatment) (National Lockdown) (No. 2) (Amendment) Order, 2021 (No. 19)