Sentence examples for this was very infrequent from inspiring English sources

* A few programs crashed, but this was very infrequent.

Before the HIV epidemic, this mesenchymal tumor involving blood and lymphatic vessels was very infrequent in Western countries with an incidence rate of 0.1 case per one million person-years (py) in Northern Europe and United States of America (USA).

Spurious results might also be caused by fragmentation of PBs, although this was unlikely; with the time frame for biopsy, PB2 fragmentation was very infrequent.

In addition, she would experience occasional myoclonic jerks but these were very infrequent.

There were instances of faulty receivers that may have created large enough gaps in the lines to allow a shark to move through undetected, but these were very infrequent events.

However, nuclear fragmentation was absent and it was very infrequent in TRAIL-treated cells.

As can be seen, cancer expression of CD133 in these laser-capture microdissected tumor cell specimens was very infrequent.

In the presence of 10 or 20 nM cofilin, severing was very infrequent (Video 11 and Figure 6 figure supplement 3).

However, upper gastrointestinal hemorrhage was very infrequent in our cohort, and all of the affected patients were taking some form of stress ulcer prophylaxis, with an overall incidence of 0.2% based on a definition that required a diagnostic code indicating gastrointestinal bleeding and a charge code indicating esophagogastroduodenoscopy.

Tornadoes of this intensity are very infrequent outside of the United States.

Alignments of the tRNA-related parts from several CORE-SINEs, both young and old, indicate that insertions and deletions are very infrequent in this region.