The phrase "a sudden increase of" is correct and usable in written English.
It can be used to describe a rapid or unexpected rise in quantity, intensity, or degree of something.
Example: "There was a sudden increase of interest in renewable energy sources following the recent climate summit."
Alternatives: "a sharp rise in" or "a rapid surge of".
A major concern is what experts call "surge capacity," the ability of hospitals to accommodate a sudden increase of patients.
Moreover, with managed care's pressure to eliminate hospital beds and increase efficiency, hospitals have lost their so-called surge capacity -- the ability to accommodate a sudden increase of patients.
"It is deeply disturbing that the initial steps of the talks have been undermined by the continuous lack of sufficient humanitarian access, and by a sudden increase of aerial bombing and military activities within Syria.
Konta's run to the semi-finals in Melbourne, where she was beaten by Germany's Angelique Kerber, has led to a sudden increase of exposure which has also netted her £370,000, well over half what she had previously earned.
Chandigarh: Hospitals in the Union territory Chandigarh and its neighboring states of Haryana, Punjab and Uttar Pradesh have seen a sudden increase of patients with the symptoms of H1N1 influenza or swine flu, Daily Bhaskar reported.
A sudden increase of hear transfer coefficient and friction factor has been observed after the OTI.
A sudden increase of the H2 flux below 50 °C is attributed to embrittlement.
Note that there is a sudden increase of the η MOD when ES lasing starts to dominate.
A sudden increase of the current was observed at the voltage of about 3.5 V to achieve the forming procedure.
The power output characteristics of DFIGs can be illustrated in Fig. 5 based on (16) when there is a sudden increase of phase angle.
This effect is amplified when a sudden increase of hydraulic head exceeds the operational range and the grout curtain is temporary overtopped.
