BackgroundRandomised trials conducted from 2006 to 2021 indicated that vitamin D supplementation (VDS) was able to prevent severe COVID-19 and acute respiratory infections (ARI).However, larger randomised trials published in 2022 did not confirm the health benefits of VDS in COVID-19 patients.ObjectiveTo examine through a systematic review with met
Assessment of the fatality rate and transmissibility taking account of undetected cases during an unprecedented COVID-19 surge in Taiwan
Abstract Background During the COVID-19 outbreak in Taiwan between May 11 and June 20, 2021, the observed fatality rate (FR) was 5.3%, higher than the global average at 2.1%.The high number of reported deaths suggests that many patients were not treated promptly or effectively.However, many unexplained deaths were subsequently identified as 2D Crys
Structural relationships among central cell and egg apparatus cells of barley as related to transmission of male gametes
Barley embryo sacs were examined using light and electron microscopy before and during fertilization.One synergid degenerates after pollination with loss of nuclear and cytoplasmic ALOE organization and cell wall material between synergid and central cell.Some wall between egg and central cell is also lost.After pollen tube discharge into the degen