The COVID-19 pandemic will go down in the history of Science and Medicine for many reasons. One of them is the swiftness in the development of a vaccine to prevent the disease, at least in its more serious and dangerous manifestations. But why are vaccines against COVID-19 different? Should we have some concern about these vaccines? Who cannot be vaccinated? And could we get COVID-19 after taking a first dose? Listen to the Hospital da Luz Podcast on the Post-Covid Effects , with pharmacist Cláudia Santos, trying to respond to the question of what to expect concerning Covid vaccination. Google | iTunes | Spotify More information and advice of Hospital da Luz about the novel coronavírus COVID-19 epidemic . The content published in the Health Guide is intended for the general public and is provided for informational and educational purposes only. It does not replace individual medical assessment, diagnosis, or personalized clinical advice from a qualified healthcare professional. The content is produced or reviewed by physicians and other healthcare professionals at Hospital da Luz and is based on the knowledge available at the time of publication or the most recent update, as indicated at the beginning of each item.