Acute Respiratory Infection (ARI) is an infection affecting the lungs and airways, ranging from mild colds to severe pneumonia. It's primarily caused by viruses (e.g., influenza, rhinoviruses), but bacteria and other pathogens can also be responsible. ARI is a leading cause of illness worldwide, particularly impacting young children, the elderly, and immunocompromised individuals.
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Acute Respiratory Infections have been a major cause of human illness and death throughout history, often causing devastating epidemics before the germ theory of disease. The identification of specific viral and bacterial pathogens in the late 19th and 20th centuries revolutionized understanding and led to the development of vaccines and targeted treatments. Despite these advances, ARIs remain a significant global health challenge.
Acute Respiratory Infections primarily spread through respiratory droplets released when an infected person coughs, sneezes, or talks. These droplets can then be inhaled by others or land on surfaces, leading to transmission upon touching contaminated surfaces and then one's face. Airborne transmission via smaller aerosols can also occur for some pathogens, especially in enclosed spaces.
Contagious Period: Varies by disease
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15 March 2026, Kabul, Afghanistan - At the Zero Point of Milak Border Crossing in Nimroz Province, southwestern Afghanistan, 30-year-old social mobilizer Ferishta Zahedi stands before groups of women and returning families, speaking in a calm and friendly voice. "I am here because your health and your family's health matter. I want to share simple but important information that can help you protect your children and loved ones from infectious diseases." For many of the women she meets, it is the first time that someone has taken the time to explain serious diseases such as acute respiratory infections, acute watery diarrhoea and Crimean-Congo haemorrhagic fever in ways they understand. Returnee populations often face heightened health risks due to overcrowding, limited access to services a...
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Banjarmasin in Kalimantan Selatan, Indonesia, has declared an alert due to an increase in Acute Respiratory Infection (ARI) cases. This signifies a rapidly developing public health concern requiring immediate attention to identify the cause and implement control measures.
Chinese scientists have made advances in antibiotic stewardship research for primary health care, providing a replicable and scalable "China PHC Management Program" to address the challenge of implementing scientific antimicrobial stewardship in primary healthcare facilities. A medical research team has published their study entitled "Effects of a comprehensive antibiotic stewardship program on antibiotic prescribing for acute respiratory infections in rural facilities: a cluster randomized trial" in the top international journal Nature Medicine. The study not only provides a practical policy guidance framework for promoting scientific antimicrobial stewardship and improving the quality of medical services in China's primary healthcare facilities, but also offers a Chinese approach for pri...
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Following the tragic deaths of a 21-month-old boy in a private Lagos hospital and a mother of five in Kano amid allegations of medical negligence, Nigeria is once again debating the safety of patients across the country. The grief, anger, flood of "This happened to my family too" stories, and collective outcry demonstrate many Nigerians believe preventable harm is common in our hospitals. A critical review found 47 percent of patients rated Nigeria's health system "poor/very poor", and Demographic and Health Survey data show care-seeking for under-five children with fever and acute respiratory infection falling from 75 percent in 2018 to 60 percent in 2023/2024. These figures suggest a worrying erosion of confidence in care. Each new allegation triggers a familiar cycle. Some institutions ...
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BE AWARE OF HANTAVIRUS!
what is hantavirus? - hantavirus is a covid from dirty mouse that was firstly captured in a boat, 3 of the People that were infected died, and the others with it were send to the land, like swiztcherland, maybe america and multiple countries, and also it can quickly spread by the infected from breaths, please be careful in public and be healthy.
There has been another hantavirus death in Egypt new Cairo
15 March 2026, Kabul, Afghanistan - At the Zero Point of Milak Border Crossing in Nimroz Province, southwestern Afghanistan, 30-year-old social mobilizer Ferishta Zahedi stands before groups of women and returning families, speaking in a calm and friendly voice. "I am here because your health and your family's health matter. I want to share simple but important information that can help you protect your children and loved ones from infectious diseases." For many of the women she meets, it is the first time that someone has taken the time to explain serious diseases such as acute respiratory infections, acute watery diarrhoea and Crimean-Congo haemorrhagic fever in ways they understand. Returnee populations often face heightened health risks due to overcrowding, limited access to services a...
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Remote Long COVID Trial to Evaluate Repurposed Drug Across US: The LoCITT study aims to expand access through a fully remote design using CareEvolution’s MyDataHelps platform.
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Official guidance from the U.S. Centers for Disease Control and Prevention
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View WHO Resources →Disease information on Virus Watcher is reviewed by our Chief Epidemiologist, a former CDC lead analyst for FluSight forecasting. Outbreak data is aggregated from verified sources including BEACON, ProMED, WHO, CDC, and 50+ national health agencies. This information is for educational purposes and should not replace professional medical advice.
Last reviewed: 2026-06-03
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