Decline of pertussis in hospitalised children following the introduction of immunisation in pregnancy - results from a nationwide, prospective surveillance study, 2013-2020.
Swiss Med Wkly. 2021 Dec 13;151:w30064. doi: 10.4414/smw.2021.w30064. eCollection 2021 Dec 6.
Swiss Med Wkly. 2021.
PMID: 34908387
Free article.