Every month ECDC provides detailed epidemiological overview of the worldwide transmission of chikungunya in its weekly threat report (Communicable Diseases Threat Report).
Since the beginning of 2024, and as of 3 April, no MERS-CoV cases have been reported by WHO or national health authorities. The last reported case was in Saudi Arabia, with date of onset on 26 October 2023.
Injected trivalent inactivated influenza vaccines are most commonly used throughout the world. Influenza antigen preparation varies between manufacturers.