Visualization of severe acute respiratory syndrome coronavirus 2 invading the human placenta using electron microscopy

The outbreak of the novel severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), which results in the development of coronavirus disease 2019 (COVID-19), has been associated with significant morbidity and mortality. The risk of vertical transmission from infected pregnant women to their fetuses is controversial. Recent studies have revealed the possibility of vertical transmission,1Zamaniyan M. Ebadi A. Aghajanpoor Mir S. Rahmani Z....