Dear Editor, The paper by Kang et al. 1 that has been recently published in your journal
evaluated a very important topic for the management of COVID‐19 infection as the clinical …

To the Editor, To date, understanding whether acquired immunity and presence of anti‐
severe acute respiratory syndrome coronavirus 2 (SARS‐CoV‐2) antibodies protect against …

To the Editor, During the currently ongoing coronavirus disease 2019 (COVID‐19)
pandemic, one of the objectives that the scientific community is pursuing is to understand …

To the Editor, Currently, coronavirus disease in 2019 (COVID‐19) caused by severe acute
respiratory syndrome coronavirus 2 (SARS‐CoV‐2) 1 has become a global pandemic. The …

To the Editor, Testing for SARS‐CoV‐2 RNA has become the standard for COVID‐19
diagnosis. 1, 2 However, a number of false negative results have been reported, 2 resulting …

To the Editor, An outbreak of a novel coronavirus, the severe acute respiratory syndrome‐
related coronavirus 2 (SARS‐CoV‐2), has led to over 1 900 000 infected cases and more …

Dear Editor, A novel coronavirus disease (COVID‐19) pandemic caused by severe acute
respiratory syndrome coronavirus‐2 (SARS‐CoV‐2) threatens the world. We read with …

To the Editor, Since August 2020, a series of cases of reinfection by a phylogenetically
distinct variant of SARS‐CoV‐2 have been reported, raising pertinent questions on the …

Dear Editor, In December 2019, an outbreak of respiratory infectious disease (COVID‐19)
due to a novel coronavirus (at the time officially named SARS‐CoV‐2) emerged in the city of …

To the Editor, Coronavirus disease 2019 (COVID‐19), caused by a novel coronavirus,
severe acute respiratory syndrome coronavirus 2 (SARS‐CoV‐2), has spread rapidly …