Adults age 65 and over can receive the second dose at least four months after their first dose of the current vaccine, which was released in September.
The Lincoln-Lancaster County Health Department said Tuesday that it has seen recent increases in COVID-19 and influenza activity, while respiratory syncytial virus cases remain at a high level.
Lancaster County reported 163 official cases for the week that ended Saturday, more than double the previous week and more than four times higher than at the start of August.