Between March 22 and March 28, there were 104 cases giving a seven day rate of 69, down rom 74.3 yesterday.
The rate has fallen for four days running after a steady increase had prompted an intervention from the Public Health Agency (PHA) last week.
Derry/Strabane is, however, still posting the second highest COVID-19 rate in the north.
Mid Ulster is recording the highest prevalence. The rate there is now up to 122.7.
Mid and East Antrim (33.2), Fermanagh and Omagh (33.4), Causeway Coast and Glens (36), Newry, Mourne and Down (40), Lisburn and Castlereagh (40.6), Antrim and Newtownabbey (46.3), Armagh City, Banbridge and Craigavon (48.7), Belfast (51.3) and Ards and North Down (57.2) all have lower rates than Derry/Strabane.
The daily change in the cumulative number of patients with a positive test in Derry and Strabane between March 27 and March 28 was 7.
In total 11,539 people have now tested positive for the illness in Derry and Strabane.
In total 91,091 vaccine doses have now been administered at the three mass vaccination centres in Derry, Omagh and Enniskillen.
Across the north GPs have rolled out 389,740 jabs.