Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Positive Synergy Test. “Russian-doll” appearance implies synergy between Ceftazidime-avibactam and Aztreonam. When used in combination these agents can be used synergistically to cover both serine (Ceftazidine-avibactam) and metallo (Aztreonam) -carbapenemases.
