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Health authorities in Hong Kong and Singapore have issued warnings following a sharp increase in Covid-19 cases, signaling a new wave of infections that is spreading across Asia. The resurgence comes as both cities, known for their dense populations and status as major financial hubs, report their highest infection rates in about a year.
Hong Kong Sees Highest Positivity Rate in a Year
In Hong Kong, the percentage of respiratory samples testing positive for Covid-19 has reached its highest level since 2024, according to Albert Au, head of the Communicable Disease Branch at the city’s Center for Health Protection. The week ending May 3 saw 31 severe cases, including deaths-the highest weekly figure in a year. Although the current surge has not yet matched the peaks of the previous two years, rising viral loads in sewage, increased medical consultations, and hospitalizations all point to a significant uptick in community transmission within the city of over 7 million residents.
Singapore Reports 28% Jump in Weekly Cases
Singapore’s Ministry of Health released its first Covid-19 update in nearly a year, revealing a 28% increase in estimated cases for the week ending May 3, rising to 14,200 cases from 11,100 the previous week. Daily hospitalizations also climbed by about 30%, though the number of patients requiring intensive care has remained low. The city-state now only publishes case numbers during notable surges, reflecting a shift to treating Covid-19 as an endemic disease.
Authorities in Singapore attribute the spike largely to waning population immunity rather than the emergence of more transmissible or severe variants. The dominant strains circulating-LF.7 and NB.1.8, both descendants of the JN.1 variant-are not believed to cause more severe illness than previous variants. Vaccination, especially for high-risk groups, continues to be strongly recommended.
Regional Impact and Public Health Response
The current wave is not limited to Hong Kong and Singapore. China is also experiencing a rise in cases, with the Covid-19 test positivity rate among hospital patients more than doubling in the five weeks through May 4, approaching last summer’s peak. Thailand has reported two cluster outbreaks this year, particularly following the Songkran festival in April, which traditionally draws large crowds.
Health officials across the region are urging the public to remain vigilant, maintain good hygiene, minimize social interactions when unwell, and keep vaccinations up to date. The resurgence of Covid-19 during the warmer months, contrary to patterns seen with other respiratory viruses, highlights the ongoing risk posed by the virus even outside typical flu seasons.
Notable Disruptions
The impact of the surge has extended to public events, with Hong Kong singer Eason Chan forced to cancel concerts in Kaohsiung, Taiwan after contracting Covid-19, underscoring the continued disruption the virus can cause to daily life and the entertainment industry.
Disclaimer:
This article is based on information available as of May 16, 2025, from official health authorities and reputable news sources. Covid-19 data and guidance may change rapidly as new information emerges. For the latest updates and health recommendations, consult your local health authorities and official public health websites.
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