Mayen Jaymalin – The Philippine Star November 3, 2022 | 12:00am MANILA, Philippines — After the long holiday, a surge in COVID-19 cases is possible in Metro Manila as those returning from vacation in the provinces might have unknowingly brought the virus home, a medical expert said. At present, there is a downward positivity rate for COVID-19 in the National Capital Region, but Dr. Benito Atienza, Philippine Federation of Professional Associations vice president, warned this could be reversed following the observance of All Saints’ Day and All Souls’ Day. “That is what troubles me – those who …