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RSV Season and Tools to Fight It: What to Expect

The respiratory syncytial virus season has historically presented challenges, especially for vulnerable populations like young infants and older adults. RSV, often resembling a cold, can escalate to severe infections in these groups, leading to hospitalizations and even deaths. Last year, RSV cases surged early, overwhelming hospitals and healthcare systems.

RSV’s Erratic Timing

It usually follows a seasonal pattern in the US, occurring between October and April, with its peak in December or January. However, the Covid-19 pandemic disrupted this pattern, leading to historically low cases in the 2020-21 season.

Return to Typical Timing

Experts anticipate a return to more typical timing for this year’s RSV season, with cases concentrated in the fall and winter months. Monitoring the Southern hemisphere, which is currently in its RSV season, provides some insights into what the US might experience.

The Vulnerable Groups

RSV disproportionately affects young infants and the elderly, leading to severe respiratory complications. Last year’s disrupted season created an “immunity gap” where children who would typically have developed some immunity during the pandemic years were left susceptible to severe infections.

Tools for Prevention and Treatment

This year, new tools offer hope for combating RSV’s impact.A monoclonal antibody known as nirsevimab, advertised as Beyfortus, changed into permitted with the aid of using the FDA. It is recommended for infants under 8 months born during RSV season and older children at higher risk of severe RSV. It significantly reduces the risk of hospitalization and doctor visits related to RSV.

RSV Vaccines for Older Adults

Two RSV vaccines are available for individuals aged 60 and older. These single-dose vaccines, recommended by the CDC, provide multi-season protection. The vaccines can be administered alongside the flu shot.

Potential Impact

Experts believe that if these tools are widely adopted, they can make a substantial difference in mitigating the impact of RSV. Improved awareness about RSV’s dangers, stemming from last year’s severe season, might encourage more people to seek protection through vaccines and antibodies.

Equitable Access and Awareness

Efforts are underway to ensure equitable access to these preventive tools. The American Academy of Pediatrics is advocating for a comprehensive strategy to make monoclonal antibody therapy accessible to those who need it. Increased awareness about RSV’s risks could also contribute to higher adoption rates of preventive measures.

In conclusion, a more predictable season is expected this year, and the availability of vaccines and antibodies offers hope for preventing severe cases. By embracing these tools and raising awareness, the impact of RSV on vulnerable populations can be significantly reduced.