Hong Kong is dealing with a fresh wave of Covid-19 infections, marking the highest positivity rate in respiratory samples in over a year and reigniting concerns about the virus’s lingering threat to the elderly and immunocompromised. The Centre for Health Protection (CHP) reported a sharp rise in cases, with test positivity rates jumping from 6.2% to 13.7% in just four weeks since early April, accompanied by increased viral concentrations in sewage and rising hospital admissions.
Health authorities confirm that the current wave is fueled by declining immunity rather than new, more dangerous variants. Between March 23 and April 19, Hong Kong recorded 40 severe cases, including 10 fatalities, with over 90% of these patients lacking a recent booster shot. While the JN.1-related XDV variant is circulating, experts stress that existing vaccines remain effective against severe outcomes.
“The virus is still here, and it’s exploiting gaps in our immunity,” warned Dr. Edwin Tsui, Controller of the CHP. “High-risk groups, especially the elderly, must act now to protect themselves”.
83% of severe cases involve individuals aged 65 or older, many with pre-existing conditions like diabetes or heart disease. Alarmingly, vaccination rates among this group remain low, with 75% of elderly care home residents and 90% of community-dwelling seniors yet to receive a booster dose.
The crisis extends beyond the elderly. Two children—a 17-month-old girl and a 13-year-old—were recently hospitalized with severe symptoms, underscoring risks for unvaccinated youth. First-time Covid patients have also reported intense flu-like symptoms, challenging assumptions that prior exposure guarantees mild illness.
While the virus appears less lethal than during its 2020–2023 peak, officials caution against complacency. Hospitalizations and deaths have not spiked proportionally to case numbers, a trend attributed to widespread hybrid immunity from past infections and vaccinations. However, wastewater surveillance shows viral loads surging to 440,000 copies per liter, up from 260,000 in March, signaling rampant community transmission.
Health experts urge vulnerable groups to seek boosters immediately, emphasizing that even mild infections can exacerbate chronic conditions. “This isn’t about panic—it’s about pragmatism,” said Prof. Martin Wong, a public health researcher. “The elderly, young children, and those with comorbidities cannot afford to wait”.
The Hospital Authority has activated emergency measures, including expanded staffing and bed capacity, to manage rising admissions. Meanwhile, officials are ramping up outreach to elderly care homes and low-income communities, where vaccine access remains uneven.
Hong Kong’s experience mirrors regional trends, with Singapore, Thailand, and China also reporting resurgences. Unlike seasonal flu, Covid thrives year-round, defying earlier hopes of predictable patterns. “We’re seeing two waves annually now,” noted a CHP spokesperson. “This is the new normal”.
With cases expected to peak in the coming weeks, the government faces a dual challenge: curbing transmission without reinstating restrictive measures. For now, the focus remains on boosting protection for the vulnerable and reinforcing public hygiene practices.
As the city navigates this latest chapter in the pandemic, one lesson rings clear: Covid-19 may no longer dominate headlines, but its shadow lingers—especially for those least equipped to fight it alone.
Source: South China Morning Post.
