There have been a lot of breakthrough omicron infections that have happened lately. Naturally, this begs the question—Why? According to experts, vaccine efficacy is lower against omicron infections, due to the fact that omicron’s mutations make it more transmissible than other variants and more able to evade the passive immunity that is acquired from being vaccinated. That doesn’t mean that COVID-19 vaccines don’t work, though! Our AFC Urgent Care Cleveland team ...