[Breast tuberculosis. Report of two cases].

Two cases of mammary tuberculosis (TB) are presented, one of them with additional pleural and lymph node involvement. Both were HIV-negative, with no history of previous TB, with long-standing breast lesions. Both presented a successful outcome with antituberculosis treatment.

[Cohort of pregnant and postpartum women with COVID-19. Comparative analysis between two pandemic waves].

Introduction: The clinical presentation of pregnant women with COVID-19 varied according to the time of the pandemic.

Objective: The clinic, complications and lethality were described, as well as a comparative analysis of the clinical presentation during the first two pandemic waves of pregnant and postpartum women with COVID-19.

Methods: An observational prospective cohort study of pregnant women assisted in the Municipal Maternity of San Isidro was carried out between 04/01/2020 and 07/31/21.