A new study from Harvard Medical School indicates that immunity from the mpox vaccine decreases after a few months, suggesting the need for booster shots to maintain effectiveness. The study analyzed antibody levels in vaccinated individuals and found that two doses were more effective initially, but immunity waned over time. Health experts emphasize the importance of understanding population immunity levels and the need for further research, especially among high-risk groups. Despite low case numbers in Europe, a new strain in Africa raises concerns. Teljes cikk (Euronews.com)