A. A. Galkina
Pavlov First Saint Petersburg State Medical University; St. Petersburg Pasteur Institute
Russian Federation

Anna A. Galkina, head of Dept, epidemiologist, postgraduate student

Epidemiology Dept

St. Petersburg

L. V. Lyalina
St. Petersburg Pasteur Institute; North-Western State Medical University named after I. I. Mechnikov
Russian Federation

Liudmila V. Lyalina, Dr Med Sci (habil.), professor, head of the Laboratory, professor at Dept

Laboratory of Epidemiology of Infectious and Noninfectious Diseases; Dept of
Epidemiology, Parasitology and Disinfectology

St. Petersburg

A. A. Spiridonova
Pavlov First Saint Petersburg State Medical University
Russian Federation

Anna A. Spiridonova, head of Dept, bacteriologist

Clinical Microbiology Dept

St. Petersburg