Scientific expedition of the Institute of Medical Parasitology and Tropical Medicine to the Irkutsk region

1-18 August 1975. USSR. Irkutsk Region. Employees of the Moscow Institute of Medical Parasitology and Tropical Medicine named after E. I. Martsinovsky Sergei Lunin and Aleksandr Rybkin (left to right) spray a special preparation on a section of taiga near the village of Magistralny in the Kazachinsko-Lensky District during a scientific expedition of the IMPiTM to develop effective measures to combat blood-sucking insects in the area of the construction of the Baikal-Amur Mainline. The exact date of the photo is unknown. Edgar Bryukhanenko/TASS