OCTA Research reported a 47 percent increase in COVID-19 cases in Rizal province, rising from a -15 percent growth rate in one week.
The seven-day average of new infections rose from 84 (August 29 to September 4) to 124 (September 5 to 11).
On September 9, Rizal recorded 228 new COVID-19 cases, surpassing the previous peak of 203 cases in the current wave.
Rizal's positivity rate climbed from 12 percent on September 3 to 17.4 percent on September 10, confirming that the surge is not due to a testing backlog.
The province's reproduction number increased from 0.90 on September 1 to 1.25 on September 8, indicating growing transmission.
The average daily attack rate in Rizal remained low at 3.73, and healthcare utilization for COVID-19 patients was moderate at 50.8 percent.
ICU occupancy was low at 5 percent, suggesting manageable healthcare demand.
OCTA Research fellow Dr. Guido David also noted a slow uptick in COVID-19 cases and increasing daily positivity rate in Metro Manila as of September 12.
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