Vaccinated people are more likely than the unvaccinated to catch COVID-19, and particularly the omicron variant, according to new European data. A study released late last month by Danish researchers found that people with two doses of an mRNA COVID vaccine have a higher likelihood of catching omicron than those without a jab. Based on Danish nationwide data, Pfizer’s shot dropped below -50 percent efficacy against the variant after three to five months. The effectiveness of the Moderna jab similarly fell to around -50 percent in the same timeframe. Read more.