Nature highlights three key graphics from the week in science and research.
, which has not yet been peer-reviewed, analysed infections in the entire population of Qatar between 28 February 2020 and 5 June 2022. The authors looked at how effectively people who were infected with a ‘pre-Omicron variant’ — one of those prevalent before the spread of Omicron — were protected against reinfection with another pre-Omicron variant. Effectiveness peaked at 90.5% in the 7th month after the first infection and fell to about 70% at 16 months.
reported that the 3D location of chromosomes in the nucleus affects their likelihood of being incorrectly segregated during cell division — an abnormality that often occurs in cancers. By studying human cells, the authors found that chromosomes found at the periphery of the nucleus in the interphase stage of the cell cycle areAs the cell begins to divide during the prometaphase stage, a structure called the mitotic spindle attaches to each chromosome.
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