The Saudi Public Health Authority (Weqaya) confirmed that the seasonal influenza vaccine available locally is effective in protecting against the K32 strain belonging to the H3N2 subtype. The vaccine also helps reduce disease severity and limit complications, based on the results of precise laboratory tests.
The authority explained that this strain is an extension of seasonal influenza, with familiar symptoms including fever, fatigue, and body aches. It noted that 96% of recorded hospitalization cases were among unvaccinated individuals, highlighting the vaccine’s pivotal preventive role.
Masks, Vaccination: First Line of Defense
In this context, the Deputy Minister of Health for Population Health, Ali bin Mufarreh Al-Asiri, stated during an interview with Al-Rabea news bulletin that masks provide important respiratory protection against influenza, COVID-19, and other respiratory viruses. He recommended wearing masks in crowded and poorly ventilated places to protect individuals and prevent the spread of infection.
Additionally, he pointed to unprecedented demand for vaccines this season, with the number of recipients nearing 4 million people. He emphasized that the opportunity remains available for those who have not yet been vaccinated, as winter continues and potential waves of infection are expected.
Reassurance Regarding Strain
Al-Asiri stressed that the K32 sub-strain is a natural annual evolution of the influenza virus within H3N2 and does not differ in terms of severity, need for hospitalization, or vaccine effectiveness. He explained that the intensity of symptoms contributed to heightened media attention, while local health indicators have remained within normal levels.
Health authorities called on the public to proactively receive vaccination and adhere to preventive measures to enhance public health and reduce pressure on the healthcare system during the winter season.
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