(PNA photo by Robert Alfiler) MANILA - The OCTA Research Group said Monday there are no threats of increase in Covid-19 cases so far to warrant a downgrade in the current alert level of Metro Manila and other areas. In a televised public briefing, OCTA Research fellow Dr. Guido David said the country's positivity rate is 1.1 percent and reproduction rate is 0.6 percent. "Hindi pa siya tumataas to greater than one, so we're still okay. Pati 'yung hospitalization rate, mababa pa rin naman (It has not gone up to greater than one, so we're still okay. The hospitalization rate remains low as well)," he said. "Wala naman tayong nakitang threat o area na may threat na tumataas ang kaso sa ngayon (We have not seen any threat or area with threat of increasing cases at the moment)". Metro Manila and 85 other areas are under Alert Level 1 until May 31. Since the campaign period started in February, the OCTA Research Group has not seen any "sustained increa