Research

COVID-19 caused 21% excess of respiratory infections last winter, analysis finds Adults aged 30 to 39 years had the highest cumulative incidence, with 208 infections per 100 people. CIDRAP

A new study based on German data shows that SARS-CoV-2 caused a 21% excess of acute respiratory infections (ARIs) during the winter of 2022-23. The study was published this week in the International Journal of Infectious Diseases and suggests COVID-19 will add a significant burden during cold and flu seasons. 

US measles cases top 120 as LA County tracks case with multiple exposures The visitor to Los Angeles County had visited Universal Studios and several other public places. CIDRAP

Eight more measles cases have been reported, putting the nation's total at 121 so far this year, the US Centers for Disease Control and Prevention (CDC) said in its latest weekly update. The number of affected jurisdictions remained the same, at 18.

...

Many healthcare workers unsure about COVID vaccine boosters for themselves, kids A survey of more than 4,100 healthcare personnel (HCP) at a New York healthcare system from 2021 to 2022 reveals that 17% were hesitant to receive the recommended COVID-19 vaccine booster, and 33% were unsure about vaccinating their children.  CIDRAP

...

Many of the HCP polled held unsubstantiated beliefs not only about COVID vaccines but also childhood vaccines.

...

US respiratory virus activity declines, with few hot spots reported Outpatient visits for flulike illness is below the national baseline for the first time since October. CIDRAP

Activity from the three main respiratory viruses continues to decline in the United States, with one of the main flu markers—outpatient visits for flulike illness—now below the national baseline for the first time since October, the Centers for Disease Control and Prevention (CDC) said today in its latest updates for flu, COVID, and respiratory syncytial virus (RSV).