TY - GEN AU - Fernandez-Prada, M. AU - Rivero Calle, Irene AU - CALVACHE GONZALEZ, ANA ISABEL AU - MartinĂ³n Torres, Federico PY - 2021 SN - 1025-496X UR - http://hdl.handle.net/20.500.11940/17406 AB - Monitoring adverse reactions following immunisation is essential, particularly for new vaccines such as those against COVID-19. We describe 20 cases of acute onset of a single supraclavicular lymphadenopathy manifesting between 24 h and 9 days after... LA - en TI - Acute onset supraclavicular lymphadenopathy coinciding with intramuscular mRNA vaccination against COVID-19 may be related to vaccine injection technique, Spain, January and February 2021 DO - 10.2807/1560-7917.es.2021.26.10.2100193 VL - 26 ER -