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Public health is the medical discipline concerned with the prevention and control of disease through population surveillance and the promotion of healthy behaviours. Strategies used to promote public health include patient education, the administration of vaccines, and other components of preventive medicine.
The severity of SARS-CoV-2 infection varied over the course of the pandemic due to factors such as changes in variant characteristics and population immunity from previous infection or vaccination. Here, the authors estimate infection hospitalisation and infection fatality rates in England over time from the start of the pandemic until March 2023.
Time spent outdoors is the best defence against rising rates of short-sightedness, but scientists are searching for other ways to reverse the troubling trend.
A modeling study marking 50 years of vaccination through the Expanded Programme on Immunization of the World Health Organization highlights its lifesaving impact on infant and child health.