The Centers for Disease Control and Prevention will host an Aug. 9 Zika virus conference call for clinicians with the Surgeon General and American College of Obstetricians and Gynecologists. To access the call, at 3 p.m. ET, dial 888-769-8753; passcode 9886820. On Aug. 11, the Department of Health and Human Services will host a Twitter chat on Zika for hospitals and other health care providers. AHA will participate in the chat, which begins at 2 p.m. ET.  The events are part of HHS’s “Provider and Hospital Zika Week of Preparedness and Action.”