2019
Surveillance update, week 5, 2 February [pdf 6.71Mb]
Surveillance update, week 4, 26 January [pdf 5.81Mb]
Surveillance update, week 3, 19 January [pdf 5.90Mb]
Surveillance update, week 2, 12 January [pdf 5.82Mb]
Surveillance update, week 1, 5 January [pdf 3.58Mb]