Outpatient visits for flu are trending down, but the CDC said this is not likely an indication that the flu season has peaked.
Hospitalization rates are on an upward trend for all 3 viruses, with the highest levels for flu.
RSV illness lasted a mean of 12 days, and 46% of parents reported missed work days due to a child's illness.
Both maternal vaccination and administration of nirsevimab to young infants gained approval in 2023.
The change was prompted by postmarketing observational studies that suggest an increased risk of GBS within 42 days of vaccination.
Seasonal flu is currently the most common virus detected in China's illness surge, which is at expected levels for this time of year.
Flu hospitalizations are rising in all age-groups, with high or very high levels in 42 states.
Approximately 40% of participants did not seroconvert or achieve a conservative neutralization threshold post-vaccination.
RSV activity remains high, with pediatric hospitalizations increasing across most of the country.
52% of adults think the vaccine given to pregnant individuals to protect their infants from RSV is effective, up 10 percentage points from 42% in October of 2023.
