Contact tracing dates as far back as the 16th century, when physician Andrea Gratiolo used the method to show that the bubonic plague didn’t originate in a particular individual. In 1854, physician John Snow broke new ground in contact tracing, using “maps and records to track the spread of a disease back to its source,” and gave birth to modern epidemiology.
Click here to read more -->Tech Is Valuable to Contact Tracing, But Not How You’d Think
