Millennials hit with biggest increase in California Covid cases

Young adults have seen infections jump 554% since early June, fueling experts' calls for urgent vaccinations

Millennials are accounting for the biggest rise in Covid-19 cases in California, an analysis of state and federal data shows, as the Delta variant drives growing infection rates and health officials scramble to encourage the generation to get vaccinated.

Covid-19 cases in California have shot up for all age groups in the past two months, but millennials - defined here as those between the ages of 18 and 34 - have seen their case numbers climb faster than other age brackets.