ALGIERS – Algeria’s secretive presidency confirmed Wednesday that the mysterious illness that caused President Abdelmadjid Tebboune to be hospitalized in Germany last month was the coronavirus.The presidency said that the state of 74-year-old Tebboune’s health is “gradually improving” and he “continues to receive treatment in a specialized German hospital after contracting COVID-19.”It was the first time that officials explicitly mentioned COVID-19 in connection with the Oct.