Children

US respiratory virus activity tails off to low levels Though the flu season is winding down, the CDC received 10 more reports of pediatric flu deaths, including one from a flu A/flu B coinfection. CIDRAP

US indicators for flu, COVID, and respiratory syncytial virus (RSV) declined further last week, with no states reporting moderate, high, or very high activity, down from one the week before, the Centers for Disease Control and Prevention (CDC) said Friday in its weekly updates. ...

Teen vaccination cut COVID-19 cases by 37% in California, new data show Researchers also estimated that 230,134 cases were averted in kids aged 5 to 11 years, a 24% reduction. CIDRAP

JAMA Network Open has published a new study showing that, from April 1, 2020, to February 27, 2023, in California, an estimated 146,210 COVID-19 cases were averted by vaccination in teens aged 12 to 15 years, representing a 37% reduction.

..

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.

...

Young nose cells may help children fight off Covid Lab tests show ageing adult nose cells contain 100 times more virus soon after an infection. BBC News

Children are less likely than adults to develop severe Covid, because cells in their nose are better at fighting off the virus, a study suggests.

...