Many children at a kindergarten and a primary school are recovering from the flu. Photo: iStockphoto

Seven more people died of flu in Hong Kong on Monday, bringing the death toll to 85 since the beginning of this year.

The Center for Health Protection also recorded eight adult flu patients as serious cases on the same day, Oriental Daily reported, adding that 164 serious cases have been recorded since the start of 2018.

Meanwhile, health officials are investigating the case of a three-year-old boy who got influenza B, according to a government release.

The boy, who previously enjoyed good health, developed a fever, cough with sputum, runny nose and shortness of breath on January 18. He was admitted to Hong Kong Adventist Hospital in Tsuen Wan in the New Territories on Monday but was transferred to the pediatric intensive care unit at Princess Margaret Hospital for further management on the same day. He is now in a serious condition.

The boy’s clinical diagnosis was influenza B complicated with severe pneumonia and empyema.

The health center is also investigating two influenza outbreaks at a primary school in Sha Tin in the New Territories and a kindergarten in Happy Valley on Hong Kong Island.

Eleven boys and 11 girls aged from six to 12 from the Sha Tin Methodist Primary School were affected, while another flu outbreak at Precious Blood Kindergarten in Happy Valley struck 14 boys and seven girls aged from three to five. All children were in stable condition.

Read: Girl, 3, dies in HK after contracting influenza B virus