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- Dictionaryoutbreak/ˈaʊtbreɪk/
noun
- 1. a sudden occurrence of something unwelcome, such as war or disease: "the outbreak of World War II" Similar
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3 days ago · The emergence of new SARS-CoV-2 variants has been associated with COVID-19 surges, including an increase in the magnitude of winter peaks and additional peaks at other times of the year. Peaks in COVID-19 activity often, but not exclusively, occur in winter (blue bar in chart, below) and in summer (pink bar in chart).
4 days ago · Influenza, acute viral infection of the upper or lower respiratory tract, marked by fever, chills, and a generalized feeling of malaise. Influenza is caused by viruses in the family Orthomyxoviridae. Learn more about the classification of influenza viruses, influenza outbreaks, and influenza symptoms and treatment.
- The Editors of Encyclopaedia Britannica
- Influenza is an acute viral infection of the upper or lower respiratory tract marked by fever, chills, and a generalized feeling of weakness and pa...
- Influenza is caused by several closely related viruses in the family Orthomyxoviridae, an RNA virus group. Influenza viruses are categorized as typ...
- Pandemics are worldwide outbreaks of a disease and are estimated to occur on average once every 50 years for influenza. Epidemics happen much more...
- When an influenza pandemic emerges, WHO adheres to its six-phase preparedness plan. Phases 1–3 are the early stages in pandemic preparedness design...
- The symptoms of influenza include sudden and distinct chills, fatigue, and muscle aches. A person’s body temperature rises rapidly to 38–40 °C (101...
5 days ago · Signs and symptoms. The signs and symptoms of an infection depend on the type of disease. Some signs of infection affect the whole body generally, such as fatigue, loss of appetite, weight loss, fevers, night sweats, chills, aches and pains. Others are specific to individual body parts, such as skin rashes, coughing, or a runny nose. [10]
4 days ago · For some diseases, such as pertussis (whooping cough) and measles, the number of notifications can increase during outbreak periods because people with low or no immunity can be infected. Up until 2019, influenza, usually preventable by vaccination, accounted for the most notifications in Australia each year.
5 days ago · This document provides guidance for local health protection teams ( HPTs) about assessing and managing outbreaks of suspected acute viral respiratory infection ( ARI) in schools and colleges ...
- Section Change Author or version Glossary and note on terminology New section added 3 1. Executive summary Addition of contingency framework link a...
- Seasonal influenza, COVID-19 and other acute respiratory infections may transmit rapidly between children of school age, prompting the occurrence o...
- Achieving high uptake of the seasonal childhood influenza vaccination programme in schools is a key component of influenza preparedness. The aim is...
- The term acute respiratory infection (ARI) includes presentations both of influenza-like illness (ILI) and other acute viral respiratory infections...
- 5.1 InfluenzaIncubation period: The median incubation period of influenza is 2 days (range 1 to 4 days).Infectious period: For influenza the period...
- 6.1 Risk assessmentWhen an ARI outbreak is initially notified to an HPT, the information listed in section 6.1.1 below will be useful to inform a r...
- 7.1 Infection controlInfection prevention and control (IPC) measures (where appropriate) should be implemented according to Health protection in sc...
- 1. Stowe and others. ‘Interactions between SARS-CoV-2 and influenza, and the impact of coinfection on disease severity: a test-negative design.’ In...
- Transmission of respiratory viruses can be rapid in boarding schools and other residential educational settings, with high attack rates (2).As a cl...
3 days ago · smallpox, acute infectious disease that begins with a high fever, headache, and back pain and then proceeds to an eruption on the skin that leaves the face and limbs covered with cratered pockmarks, or pox. For centuries smallpox was one of the world’s most-dreaded plagues, killing as many as 30 percent of its victims, most of them children.
5 days ago · A syndemic or synergistic epidemic is generally understood to be the aggregation of two or more concurrent or sequential epidemics or disease clusters in a population with biological interactions, which exacerbate the prognosis and burden of disease.
