Monkeypox (IMAGE) DOE/Pacific Northwest National Laboratory Caption Monkeypox causes infectious pustules as seen in this four-year old Liberian infected with the virus. Credit Photo courtesy CDC's Public Health Image Library Usage Restrictions Credit CDC License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.