Disruption of the Functional Activity of Neutrophil Granulocytes as a Risk Factor for the Development of Lung Damage in Pregnant Women with COVID-19.

Currently, the assessment of immune status in patients with COVID-19 is limited to determining the count of polymorphonuclear leukocytes and the phagocytic function of neutrophils, which is insufficient to understand the regulatory role of innate immunity cells in the development of pneumonia. However, no such studies have been conducted in pregnant women with COVID-19. The aim of this study was to investigate the functional state of neutrophil granulocytes in order to identify predictors of pneumonia severity risk in pregnant women with COVID-19.

[Genetic diversity of the mumps viruses (Paramyxoviridae: Orthorubulavirus: Mumps orthorubulavirus): an overview].

Mumps is an infectious disease controlled by specific vaccine prophylaxis. To date, its social and epidemiological significance remains high. This is evidenced by the process of developing and implementing into the health care practices of many countries a set of measures for surveillance of mumps.

The Effect of HSV-1 Seropositivity on the Course of Pregnancy, Childbirth and the Condition of Newborns.

Unlabelled: The goal of this research was to evaluate seropositivity to HSV-1 among pregnant women and its effect on the course of pregnancy, childbirth and the condition of newborns.

Methods: The serological status, socio-demographic characteristics, parity of pregnancy and childbirth and condition of newborns in women seronegative and seropositive to HSV-1 with recurrent infection and its latent course during pregnancy were analyzed. Newborns from these mothers made up the corresponding groups.

[The architectonics of fetal placental veins in second-trimester cytomegalovirus infection].

Objective: To study a change in the architectonics of fetal surface veins of the placenta and the structure of the latter in cytomegalovirus infection in pregnant women.

Material And Methods: Placentas were studied and divided in 3 groups: 1) 35 placentas from women with physiological pregnancy; 2) 37 placentas from women with an exacerbation of latent cytomegalovirus infection and with chronic compensated placental insufficiency; 3) 30 placentas from those with an exacerbation of latent cytomegalovirus infection and with chronic subcompensated placental insufficiency. After X-ray contrasting the fetal surface veins of the placenta and collecting its sections for morphological analysis, the changes in the blood vessels were compared with the structure of the villous chorion.

[Placental morphometric characteristics in women who have experienced mono- and mixed viral respiratory infections during pregnancy].

Objective: To study placental morphometric parameters in women who have experienced mono- and mixed viral respiratory infections during pregnancy.

Subject And Methods: Three groups of placentas were studied. Group 1 consisted of 25 placentas from women with physiological pregnancy; Group 2 included 25 placentas from those who had experienced parainfluenza type 3; and Group 3 comprised 25 placentas from those who had mixed respiratory viral infection (parainfluenza type 3 concurrent with influenza A (H3N2)) in the second trimester of pregnancy.