Human parainfluenza viruses in children: CDC information on croup and respiratory illness
CDC information on human parainfluenza viruses, common respiratory symptoms and their association with croup in young children.
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Respiratory
Parent Resources grouped in the Respiratory category. Open an individual resource to see its cited sources and source-review date.
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Respiratory Parent Resources
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Human metapneumovirus in children: CDC information on respiratory illness and spread
CDC information on human metapneumovirus, common respiratory symptoms, transmission and why young children are among groups at higher risk of severe illness.
Pertussis in infants and children: WHO information on spread and disease burden
WHO describes pertussis, or whooping cough, as a highly contagious bacterial respiratory infection that can be especially dangerous for infants.
Seasonal influenza and children: WHO information on transmission and global burden
WHO information on seasonal influenza as an acute respiratory infection, how it spreads and its burden among children under five.
RSV in infants and young children: CDC information on respiratory symptoms and higher-risk groups
CDC’s 2026 information on respiratory syncytial virus, common symptoms in infants and young children and groups at greater risk of severe illness.
Outdoor air pollution and children: WHO India information on pollutants and unequal impact
WHO India describes air pollution as a major environmental health risk and explains why children can be especially affected by polluted outdoor air.
COVID-19 in children: CDC information on typical illness and factors linked with severe disease
CDC reports that many children have asymptomatic, mild or moderate COVID-19, while some develop severe illness and risk can be higher with certain underlying conditions.
Pneumococcal disease in children: CDC information on pneumonia, meningitis and bacterial carriage
CDC describes pneumococcal disease as infections caused by Streptococcus pneumoniae, ranging from ear and sinus infections to pneumonia, meningitis and bloodstream infection.
Secondhand smoke and children: CDC information on respiratory infections, asthma and lung growth
CDC states that there is no safe level of secondhand tobacco-smoke exposure and that children are particularly vulnerable to its respiratory effects.
Household air pollution and children: WHO information on indoor smoke and respiratory risk
WHO information on household air pollution from polluting fuels, its large global burden and its association with lower respiratory infections in young children.