Summary of global surveillance data of infectious diseases in October 2022

In October 2022, a total of 67 infectious diseases were reported globally, affecting 235 countries and regions. Except for influenza,the top five infectious diseases affecting greatest number of countries and regions were COVID-19 (235), monkeypox (109), dengue fever (30), measles (27) and cholera (14). The top five infectious diseases with highest case fatality rates were Rift Valley fever (48.9%), Ebola virus disease (38.7%), Crimean-Congo haemorrhagic fever (27.3%), Lassa fever (18.2%) and West Nile fever (7.1%). The top five infectious diseases with greatest number of deaths were COVID-19, malaria, cholera, measles and dengue fever. The prevalent infectious diseases in Asia were COVID-19 and dengue fever,the prevalent infectious diseases in Africa were COVID-19, Ebola virus disease, cholera, yellow fever, Lassa fever, malaria and monkeypox, the prevalent infectious diseases in America were COVID-19, cholera, dengue fever and monkeypox, the prevalent infectious disease in Europe were COVID-19, monkeypox and West Nile fever.