Diseases, Conditions, Syndromes

Europe's bizarre rules for COVID vaccine passes

Efforts in Europe to encourage vaccine use through certificates proving vaccination, a negative test result or evidence of having had COVID have created a mountain of regulation.

Neuroscience

Family size may influence cognitive functioning in later life

A new study at Columbia University Mailman School of Public Health, and the Robert Butler Columbia Aging Center and Université Paris-Dauphine—PSL, found that having three or more versus two children has a negative effect ...

Diseases, Conditions, Syndromes

Czech study shows very low COVID-19 incidence in population

A Czech "collective immunity study" testing the presence of COVID-19 antibodies in people without symptoms has shown a very low incidence of the disease, health authorities said on Wednesday.

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