You celebrated Christmas with family and friends, and now you have symptoms of a virus. With news about yet another coronavirus variant, omicron, you’re worried that you have a breakthrough COVID-19 infection. And you might. As of Friday, 104,379 breakthrough infections have been reported in Pennsylvania, around 1.5% of people in the state who are fully vaccinated. In Philadelphia, there have been 9,307 breakthrough infections, which represents just under 1% of the fully vaccinated population. To read the full story.