Also, more vaccine details emerge, including a candidate that might be available for emergency use this year.
The committee will meet Feb 1 to discuss the growing threat and possibly related neurologic complications.
A CDC expert says US spread will likely be localized but calls for better mosquito control.
Zika outbreaks are getting high-level attention, and Brazil reports 287 new microcephaly cases.
The guidance covers testing of newborns, and the Virgin Islands and DR are now on the travel advisory.
All areas that harbor Aedes are vulnerable, and the Dominican Republic now has a local case.
The CDC adds 8 more destinations to its travel alert, as experts assess the threat.
El Salvador notes a GBS spike that may be linked to Zika, and St. Martin and Guadeloupe report their first local cases.
Shortly after the Centers for Disease Control and Prevention (CDC) released guidance on Zika virus infection and pregnancy yesterday, Illinois officials reported two imported cases in pregnant women, a potential risk for birth defects.
PAHO, meanwhile, said the virus has expanded its reach and cautioned about Guillain-Barre syndrome.
