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40.9 x 36.1 cm ⏐ 16.1 x 14.2 in (300dpi)
LIBRARY OF CONGRESS / SCIENCE PHOTO LIBRARY LIBRARY OF CONGRESS / SCIENCE PHOTO LIBRARY
Dr. Charles Armstrong (1886-1967), surgeon and virologist, experiments on a rabbit for the Public Health Service in the USA in 1935. He is assisted by Irvin Norfalk, a laboratory technician. Armstrong coined the name Lymphocytic choriomeningitis (LCM) in 1934 after isolating a previously unknown virus. He worked on transmission of poliovirus, and in 1939 made discoveries which paved the way for research that successfully produced effective vaccines against poliomyelitis.
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