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.

Vaccination

Vaccines: Two centuries of scepticism

Wariness and outright hostility to vaccines did not start with Covid-19, they date back to the 18th century when the first shots were given.

Diseases, Conditions, Syndromes

Link between obesity and COVID-19 may not be what it seems

Obesity is frequently cited as a risk factor for severe COVID-19, but the role of weight bias and discrimination in that risk demands further investigation, according to Dr. Yoni Freedhoff, an associate professor of family ...

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Influenza A virus subtype H1N1

Influenza A(H1N1) virus is a subtype of influenzavirus A and the most common cause of influenza (flu) in humans. Some strains of H1N1 are endemic in humans and cause a small fraction of all influenza-like illness and a large fraction of all seasonal influenza. H1N1 strains caused roughly half of all human flu infections in 2006. Other strains of H1N1 are endemic in pigs (swine influenza) and in birds (avian influenza).

In June 2009, World Health Organization declared that flu due to a new strain of swine-origin H1N1 was responsible for the 2009 flu pandemic. This strain is commonly called "swine flu" by the public media.

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