Genetics

Human egg cells are imperfect surprisingly often

More than 7% of human oocytes contain at least one exchangeless chromosome pair, demonstrating a remarkably high level of meiotic recombination failure, finds a study appearing December 10 in the American Journal of Human ...

Diseases, Conditions, Syndromes

Moderna vaccine confers at least 3 months immunity: study

The Moderna COVID-19 vaccine, which the company says was recently demonstrated to have 94 percent efficacy, causes the human immune system to produce potent antibodies that endure for at least three months, a study showed ...

Diseases, Conditions, Syndromes

EU plans vaccines as regulator sets approval deadline

European countries were on Tuesday given a clear timeframe for the start of their vaccination programmes after the bloc's medicines regulator said it would decide by December 29 whether to grant emergency approval for the ...

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