Volume 33, No 4, 1988 December Lymphatic filariasis: Some recent trends and advances. Editorial 121 Neonatal Herpes. Editorial 127 Sero-negetive rheumatoid arthritis in haemoglobin E Thalassaemia. H J de Silva, N L Senaratne, A K E Goonatilleke, C de Silva, U S Jayawickrama, L R Amarasekera 131 The alpha Thalassaemic syndrome of Hb H disease in a Sri Lankan family. A de Tissera, L Balakumar, A Seneviratne, P Wickramasinghe 135 Pulmonary fibrosis following paraquat poisoning. J Hettiarachchi, S S D Fernando 141 Malaria, the scourge of the tropics. J S Edirisinghe 143 Obituary 151