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A rat-catcher and his dog; to the right a woman looks on. A rat-catcher is a person who practices rat-catching as a professional form of pest control. Keeping the rat population under control was prac...
LMY23T01_T96HA2

A rat-catcher and his dog; to the right a woman lo...

CDC Laboratorians. IMGSETINF, Lab technicians reading and checking serologies to determine presence of influenza A/NJ/8/76 (Swine Flu) and registering antibody rise to the swine influenza virus during...
LMY20T04_K1F8A0

CDC Laboratorians. IMGSETINF, Lab technicians read...

Male lab technician holds covid-19 virus cell and stop message. Global pandemic
LMY20T04_2BE15D9

Male lab technician holds covid-19 virus cell and ...

Hazen and Brown, American Bacteriologists
LMY20T04_HRNTKK

Hazen and Brown, American Bacteriologists

woman having mammography
LMY20T03_KHANAC

woman having mammography