Brazilian physician, bacteriologist and epidemiologist Oswaldo Cruz was born #OTD in 1872.
He was the founder of the Oswaldo Cruz Institute. He led a successful campaign to eradicate yellow fever from Rio de Janeiro by focusing on mosquito control, which involved sanitation efforts, public education, & the use of fumigation techniques. He implemented measures to control the spread of the bubonic plague in Santos, including rat control & quarantine procedures.