On August 4, with the approval of the Medical and Health Bureau of the Hong Kong Special Administrative region, children aged from 6 months to 3 years old can be vaccinated against Kelaifu, a vaccine of Sinopec New Crown Disease. Parents or guardians can make an appointment for young children to receive Hexing vaccination through the online booking system from 9: 00 a.m. on August 4. The head of relevant government departments said: there were child deaths and critical cases in the fifth wave of the epidemic. Recently, the death of a young child after contracting the epidemic reminded every parent to pay attention to the risk that novel coronavirus brings to the child's health and to reduce the risk of severe illness, death or serious sequelae caused by infection through vaccination. (science and Technology Daily)