City Hall of Zamboanga (PNA file photo) ZAMBOANGA CITY - The City Health Office reported Thursday that four coronavirus disease 2019 (Covid-19) variants, two of which are considered most infectious, have been detected in this city. Dr. Dulce Amor Miravite, city health officer, said the four Covid-19 variants include the Alpha (South Africa), Beta (United Kingdom), Delta (India), and Theta (Philippines) as of October 11 based on the genome sequencing results from the Department of Health (DOH). Miravite said a total of 175 cases belonging to the four variants were recorded. Of the 175 cases, 152 recovered and the remaining 23 succumbed to the virus. Miravite said the Beta variant has the highest number of cases at 122, of which 101 recovered while 21 died. She said there were 30 cases of the more transmissible Delta variant, with 29 recoveries and one fatality. She said the Alpha variant recorded 22 cases with 21 recoveries and one fatality. The Theta variant recorded one recovered case