Diseases, Conditions, Syndromes

WHO warns of virulent COVID variant risk

The World Health Organization on Wednesday laid out three possible paths that the COVID-19 pandemic might follow in 2022—with a new, more virulent variant the worst-case scenario.

Cardiology

COVID-19 surges linked to spike in heart attacks

New data analysis from the Smidt Heart Institute at Cedars-Sinai found that deaths from heart attacks rose significantly during pandemic surges, including the COVID-19 Omicron surges, overall reversing a heart-healthier pre-pandemic ...

Diseases, Conditions, Syndromes

COVID-19 compared with other deadly viruses

The global death toll from COVID-19, which is set to pass five million, is already far worse than most other viral epidemics of the 20th and 21st centuries.

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Pandemic

A pandemic (from Greek πᾶν pan "all" + δῆμος demos "people") is an epidemic of infectious disease that is spreading through human populations across a large region; for instance a continent, or even worldwide. A widespread endemic disease that is stable in terms of how many people are getting sick from it is not a pandemic. Further, flu pandemics exclude seasonal flu. Throughout history there have been a number of pandemics, such as smallpox and tuberculosis. More recent pandemics include the HIV pandemic and the 2009 flu pandemic.

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