Cyprus could face a second wave of flu, according to Professor Petros Karagiannis, Microbiology and Molecular Virology expert at the University of Nicosia Medical School. Speaking to CNA, he noted that while the epidemiological situation remains stable, the data do not allow for complacency.
Professor Karagiannis said infections continue, but there is no severe surge that overwhelms the healthcare system. Still, authorities face challenges isolating patients with different infections in separate wards.
He added that it remains uncertain whether a second wave will bring a sharp rise in cases or if the viruses will “mix” and stay at manageable levels.
Currently, flu type B has not circulated significantly, while flu type A, especially the new sub-strain K, dominates.
RSV cases rise in elderly
Karagiannis also expressed concern over an unusual increase in RSV (Respiratory Syncytial Virus) infections among the elderly, a virus typically affecting young children and appearing earlier in winter. He attributed this anomaly partly to the new sub-strain K.
He explained that both the emergence of the new sub-strain and low community immunity contribute to the potential second wave. Current immunity largely covers older type A strains, while vaccination adds protection.
This year’s vaccines include two type A strains and one type B strain, which do not fully prevent infection but significantly reduce severity and hospitalization risk.
Vaccination still valuable
Professor Karagiannis said vaccination remains relevant, as it takes about 15 days for full immunity. European scientists estimate flu could continue into March.
Data from the US and UK suggest this year’s vaccine offers roughly 50% protection, below the 65% average in previous years. Even if infected, symptoms are milder and rarely lead to severe illness. Children may show gastrointestinal symptoms, but otherwise symptoms mirror the first wave.
High-risk groups include the elderly and vulnerable individuals. Although flu-related deaths in Cyprus remain low, they have increased this year, while Greece reports 20–25 weekly deaths.
The healthcare system is reportedly prepared, with the possibility to allocate beds from other specialties if needed. COVID-19 continues to fluctuate year-round, as it is not seasonal. Laboratory testing remains the only reliable way to distinguish flu from COVID-19 due to similar symptoms.
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