(ANSA) - BELGRADE, DEC 30 - The number of new coronavirus cases in Slovenia increased by more than 50% on a weekly basis, with 1,704 cases recorded on Wednesday, the Slovenian news agency STA reported today, quoting new data from the Slovenian National Institute of Public Health. The test positivity rate was up by more than two percentage points on a daily basis to 33.4%, STA informed. (ANSA).