The phrase "alert phase" is correct and usable in written English.
It can be used in contexts related to safety, security, or emergency management to describe a specific level of readiness or awareness.
Example: "The organization has entered the alert phase due to the impending storm, and all staff are advised to stay vigilant."
Alternatives: "warning stage" or "alert level".
The highest alert, Phase 6, indicates a full-fledged pandemic.
On the principle that this country didn't win the Battle of Midway by cowering in a root cellar, I spent a good portion of the recent Code Orange alert phase traveling by air.
Resting, adult stem cells of many types of tissues enter a reversible "alert" phase in response to a distant injury, according to a study in mice by researchers at the Stanford University School of Medicine.
Whenever local constraints are violated, it will initialize the first phase, namely local alert phase.
Based on an assessment of present evidence, the World Health Organization has concluded that the current level of global pandemic alert (Phase 3) is appropriate.
Among the committee's recommendations: establish a Global Health Emergency Corps and a $100 million emergency fund, simplify the six phases WHO agonized over when trying to describe the escalating outbreak (possibly just baseline, alert phase, pandemic), and create advance agreements for vaccine distribution and delivery.
The architecture of decision support system consists of three phases: Alert Preprocessing Phase, Model Constructing Phase and Rule Refining Phase.
Data on the percentage of positive diagnostic tests, entomological indices and environmental signals (Harrington et al., 2013; Teklehaimanot et al., 2004b) can be incorporated alongside reported cases in defining disease outbreaks or pre-emptive alert phases.
The surveys conducted at WHO pandemic alert phases 3 and 5 found a consistently low level of willingness to accept pre-pandemic influenza vaccination among hospital based healthcare workers, especially in those working in the allied health professions.
Two study phases were compared: a 3-month pre-alert phase with no alerting to the nurses, and a 3-month intervention phase where the GLYC sniffer was alerting through the Clinical Notification System of our ICIS.
WHO is observing the alert-phase areas for further action.
