The Centre for Health Protection mentioned yesterday that the rate of suspected infection with Omicron BA.4 or BA.5 variant strains is 10.4%, and it cannot be ruled out that there is a chance of becoming a mainstream virus.
Respiratory specialist Leung Tsz-chao said in a radio program today (8th) that at the current rate, BA.5 may become a mainstream virus within 3 to 4 weeks, but due to the low rate of re-infection in Hong Kong, it is believed that the next At the peak of a wave of BA.5, the daily number of confirmed cases may be about 10,000, which is lower than the fifth wave.
He also believes that the risk of spreading malaria in the community is relatively low because Anopheles is the mosquito vector of malaria, and related mosquito vectors are rare in the community.
▼August 6, Kai Tak Community Isolation Facility "Anytime"▼
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Liang Zichao pointed out that there were about 29,000 local cases this week, a decrease of 3% from about 30,000 last week, and the mainstream virus BA 2.2 also decreased by 11%.
Conversely, the growth rate of BA 2.12.1, BA.4 or BA.5 is increasing rapidly, with BA.4 or BA.5 one week totals increasing by 150% and BA 2.12.1 by 60%.
He estimated that BA.5 has a chance to become a mainstream virus within 3 to 4 weeks, so the epidemic has a chance to return to the rising track.
However, since the proportion of re-infections in Hong Kong is relatively low, only about 1%, it is believed that the peak of the next wave of BA.5 will be much lower than the fifth wave of the previous epidemic, "the number may be a lower five-digit number. , maybe about 10,000 cases a day.”
▼On August 6, parents took their infants and children to Guanyong Vaccination Center to get Kexing vaccine▼
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However, Liang Zichao emphasized that the current vaccination rate of the elderly is insufficient, and the promotion of the vaccination of young children is slow, so it cannot be taken lightly. In order to prepare for the sixth wave, they should be vaccinated as soon as possible in these weeks.
He suggested that after the start of school, students should still be tested daily in the future, and when the epidemic rebounds, extracurricular activities and strenuous exercise that require removing masks should also be suspended.
▼August 4th, 10 young children in To Kwa Wan Meiya Kindergarten were given the Kexing vaccine▼
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As for malaria, Liang Zichao believes that the risk of malaria spreading in the community is relatively low, because Anopheles mosquitoes are the mosquito vectors of malaria, and related mosquito vectors are rare in the community.
However, he believes that due to issues such as global warming and the resumption of shipping traffic, there may be a risk of introducing mosquito vectors, so be careful about mosquito control at airports, flights, and quarantine hotels.
Liang Zichao also pointed out that malaria is an endemic disease in subtropical regions, and it can be prevented and treated, so flights have not been interrupted in the past, and most malaria patients can be cured if they are detected and treated early.
However, he mentioned that malaria has a long period of infestation, so it is suggested that when the relevant flight arrives in Hong Kong, local screening can also be carried out, and mosquito control can also be considered before departure.
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