Endemic vs. epidemic vs. pandemic - Mayo Clinic Health System
网页2022年3月10日 · Epidemic. An increase — often sudden — in the number of cases of a disease above what is normally expected in that population in a specific area. Pandemic. An epidemic that has spread over several countries or continents and affects many people. Over the past two years, COVID-19 has been classified as a …
Coronavirus disease (COVID-19) – World Health Organization
网页Information on COVID-19, the infectious disease caused by the most recently discovered coronavirus.
Preparing and preventing epidemics and pandemics
网页The number of high-threat infectious hazards continues to rise; some of these are re-emerging and others are new. While outbreaks of vaccine-preventable infectious diseases, such as meningococcal disease, yellow fever and cholera, can have disastrous effects in areas with limited health infrastructure and resources, and where timely detection and response is difficult.
Epidemics and pandemics prevented
网页Despite well-documented disruptions to routine immunization and the diversion of resources away from preventive measures such as vector control and water, sanitation and hygiene, WHO continued to support countries in implementing and scaling up proven prevention strategies for priority pandemic- and epidemic-prone diseases.
Coronavirus Disease (COVID-19) Situation Reports
网页2024年4月12日 · Coronavirus disease (COVID-19) Epidemiological Updates and Monthly Operational Updates. The Epidemiological Update provides an overview of the global, regional and country-level COVID-19 cases and deaths, highlighting key data and trends; as well as other pertinent epidemiological information concerning the COVID-19 pandemic.
Zika virus - World Health Organization (WHO)
网页2022年12月8日 · Zika virus is a mosquito-borne virus first identified in Uganda in 1947 in a Rhesus macaque monkey followed by evidence of infection and disease in humans in other African countries in the 1950s. From the 1960s to 1980s, sporadic human infections were detected across Africa and Asia. However, since 2007 outbreaks of …
Coronavirus disease (COVID-19) pandemic - World Health …
网页Links and resources. The coronavirus disease 2019 (COVID-19) pandemic is a global outbreak of coronavirus – an infectious disease caused by the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). Cases of novel coronavirus (nCoV) were first detected in China in December 2019, with the virus spreading rapidly to other countries ...
Coronavirus disease (COVID-19) - World Health Organization (WHO)
网页2024年9月17日 · Coronavirus disease (COVID-19) is an infectious disease caused by the SARS-CoV-2 virus. Most people infected with the virus will experience mild to moderate respiratory illness and recover without requiring special treatment. However, some will become seriously ill and require medical attention. …
Managing epidemics: Key facts about major deadly diseases
网页2018年9月6日 · A potentially fatal combination of newly-discovered diseases, and the re-emergence of many long-established ones, demands urgent responses in all countries. Planning and preparation for epidemic prevention and control are essential. The purpose of this “Managing epidemics” manual is to provide expert guidance on those responses.
Coronavirus disease (COVID-19) - World Health Organization (WHO)
网页2023年8月9日 · WHO fact sheet on coronavirus disease (COVID-19), including symptoms, treatment, prevention and WHO's response.