COVID-19 antibody positivity over time and pregnancy outcomes in seven low-and-middle-income countries: A prospective, observational study of the Global Network for Women's and Children's Health Research.

Objectives: To determine COVID-19 antibody positivity rates over time and relationships to pregnancy outcomes in low- and middle-income countries (LMICs).

Design: With COVID-19 antibody positivity at delivery as the exposure, we performed a prospective, observational cohort study in seven LMICs during the early COVID-19 pandemic.

Setting: The study was conducted among women in the Global Network for Women's and Children's Health's Maternal and Newborn Health Registry (MNHR), a prospective, population-based study in Kenya, Zambia, the Democratic Republic of the Congo (DRC), Bangladesh, Pakistan, India (two sites), and Guatemala.

Incidence of influenza during pregnancy and association with pregnancy and perinatal outcomes in three middle-income countries: a multisite prospective longitudinal cohort study.

Background: Influenza vaccination during pregnancy prevents influenza among women and their infants but remains underused among pregnant women. We aimed to quantify the risk of antenatal influenza and examine its association with perinatal outcomes.

Methods: We did a prospective cohort study in pregnant women in India, Peru, and Thailand.

Three unusual cases of parasites in eye.

A 17-year-old male patient presented with cellulitis and mass in the eye noticed approximately 3 months back. The mass was about 1 cm in size and situated at the limbus. All preoperative routine investigations were normal.

Chronic suppurative joint effusion due to burkholderia pseudomallei: a case report.

Burkholderia pseudomallei, a Gram-negative bacillus is the causative agent of Melioidosis, a glanders-like disease, primarily a disease of animals. Melioidosis has been only a rare and sporadic disease in humans outside its endemic region. Currently, diagnosis of B.

Efficacy of 4-methyl-7-hydroxy coumarin derivatives against vectors Aedes aegypti and Culex quinquefasciatus.

4-Methyl-7-hydroxy coumarin is considered as a lead molecule as a biopesticide. Its mono bromo and tribromo derivatives were synthesized. Two more derivatives were synthesized by acylation.