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The transmission of COVID-19 is the passing of coronavirus disease 2019 from person to person. COVID-19 is mainly transmitted when people breathe in air contaminated by droplets/aerosols and small airborne particles containing the virus. Infected people exhale those particles as they breathe, talk, cough, sneeze, or sing.
Flattening the curve is a public health strategy to slow down the spread of an epidemic, used against the SARS-CoV-2 virus during the early stages of the COVID-19 pandemic. The curve being flattened is the epidemic curve, a visual representation of the number of infected people needing health care over time. During an epidemic, a health care ...
COVID-19 simulation models are mathematical infectious disease models for the spread of COVID-19. [1] The list should not be confused with COVID-19 apps used mainly for digital contact tracing . Note that some of the applications listed are website-only models or simulators, and some of those rely on (or use) real-time data from other sources.
Disease experts anticipate a small uptick in Covid cases this summer, as a new variant spreads. The KP.2 variant represents 28% of Covid infections in the U.S., up from just 6% in mid-April ...
Authorities have encouraged or mandated social distancing during the COVID-19 pandemic as it is an important method of preventing transmission of COVID-19. [citation needed] COVID-19 is much more likely to spread over short distances than long ones. COVID-19 can spread over distances longer than 2 m (6 ft) in enclosed, poorly ventilated places ...
The COVID-19 pandemic (also known as the coronavirus pandemic and COVID pandemic), caused by severe acute respiratory syndrome coronavirus 2 , began with an outbreak of COVID-19 in Wuhan, China, in December 2019. Soon after, it spread to other areas of Asia, and then worldwide in early 2020.
The COVID-19 pandemic led to a sharp increase in the use of telemedical services in the United States, specifically for COVID-19 screening and triage. [ 97 ] [ 98 ] As of March 29, 2020 [update] , three companies offered free telemedical screenings for COVID-19 in the United States: K Health (routed through an AI chatbot ), Ro (routed through ...
The COVID‑19 vaccines are widely credited for their role in reducing the spread of COVID‑19 and reducing the severity and death caused by COVID‑19. Many countries implemented phased distribution plans that prioritized those at highest risk of complications, such as the elderly, and those at high risk of exposure and transmission, such as ...