The phrase "a probable outbreak of" is correct and usable in written English.
It can be used when discussing the likelihood of an event, particularly in contexts related to health, disease, or other phenomena that may occur.
Example: "Health officials are monitoring the situation closely due to a probable outbreak of the flu in the region."
Alternatives: "a likely occurrence of" or "a potential outbreak of".
Clusters that were part of a probable outbreak (an epidemiologic evaluation suggested, but did not confirm, a common source of infection) were also excluded.
In Mexico, the first probable outbreak of histoplasmosis was described and recorded in a Public Health Acts ledger from the state of Nuevo León at the end of the 19th century (ca. 1885) when certain clinical scenarios were described that led to the suspicion that there was an epidemic of this mycosis in mine workers from areas containing a large amount of bat guano.
Thirty-two (8.5%) clusters were excluded from analysis (21 secondary clusters, 7 clusters in which a hotline call directly contributed to identification of an outbreak, and 4 probable outbreak clusters).
We could not collect biological specimens from 3 probable outbreak case-patients, including the source case-patient; however, the onsets of illness of patients with confirmed and probable cases were within 3 weeks of each other in an area where NiV outbreaks have been repeatedly confirmed over the past decade 22, 3, 7– 15, 16, 16).
The confusing signals mark the second time that German officials publicly identified a probable cause of the outbreak, only to pull back later.
This report is the first to identify a distinct lineage of echovirus 30 as a probable cause of this outbreak.
Information on psittacosis and the outbreak were communicated by a telephone hotline, health department Web sites, and by fax to all medical doctors and hospitals in the Blue Mountains and adjacent regions (25 ) We identified a large outbreak of probable psittacosis among residents of a forested district of Australia.
Following the introduction of two infectious cases into the susceptible population on the 'Roslin Castle' in 1882, 51.5% (n=515) of probable outbreaks would be less than the journey length of 91 days (figure 7).
Figure 6 shows that following the introduction of three infectious cases into the susceptible population on the 'Garrow' in 1838, 92% (n=920) of probable outbreaks would be less than the journey length of 116 days.
Foot-and-mouth disease outbreaks in neighboring countries were a probable major source of introduction of this disease into South Korea.
