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The lymph node (LN) is a critical biological site for immune maturation after vaccination as it includes several cell populations critical for priming the antibody response. Here, we present a protocol for sampling the LN and isolating cell populations to evaluate immunogens targeting germline cells. We describe steps for media and tube preparation and sample collection using an ultrasound-guided LN fine-needle aspiration procedure. This protocol is safe, quick, low-cost, and less invasive than excisional biopsy. For complete details on the use and execution of this protocol, please refer to Leggat et al. (2022). 1 ., Competing Interests: Declaration of interests The authors declare no competing interests., (Copyright © 2023 The Author(s). Published by Elsevier Inc. All rights reserved.)

Support groups play an essential role in caring for parents experiencing perinatal death and bereavement. However, there is very little data on the effectiveness of these services on their well-being. To better understand the experience of bereaved parents using support group services, a qualitative systematic review was conducted using Thomas and Harden’s method. Seven databases (MEDLINE, CINAHL, Scopus, PsycARTICLES, Cairn, Érudit, and Repère) were searched in October 2017 with an update in June 2021. A total of 16 studies were included and critically evaluated. The thematic synthesis made it possible to generate four analytical themes to describe parents’ experience according to the notion of spaces. The first theme refers to external space, i.e., the format of the support groups (virtual or face-to-face), and the other three themes reflect internal spaces, i.e., the functions of the groups (support, expression, and learning). This thematic synthesis confirms that participating in support groups benefits bereaved parents. It also offers possible solutions to improve the structure and accessibility of support groups.