Editing Tetanus (section)

=== Incubation period ===
The [[incubation period]] of tetanus may be up to several months but is usually about ten days.<ref name="pmid12850356">{{cite journal | vauthors = Vandelaer J, Birmingham M, Gasse F, Kurian M, Shaw C, Garnier S | title = Tetanus in developing countries: an update on the Maternal and Neonatal Tetanus Elimination Initiative | journal = Vaccine | volume = 21 | issue = 24 | pages = 3442–5 | date = July 2003 | pmid = 12850356 | doi = 10.1016/S0264-410X(03)00347-5 }}</ref><ref name="pmid12122532">{{cite journal | vauthors = Brauner JS, Vieira SR, Bleck TP | title = Changes in severe accidental tetanus mortality in the ICU during two decades in Brazil | journal = Intensive Care Med | volume = 28 | issue = 7 | pages = 930–5 | date = July 2002 | pmid = 12122532 | doi = 10.1007/s00134-002-1332-4 | s2cid = 21772357 | doi-access = free }}</ref> In general, the farther the injury site is from the [[central nervous system]], the longer the incubation period. However, shorter incubation periods will have more severe symptoms.<ref name = Farrar>{{cite journal | vauthors = Farrar JJ, Yen LM, Cook T, Fairweather N, Binh N, Parry J, Parry CM | title = Tetanus | journal = J. Neurol. Neurosurg. Psychiatry | volume = 69 | issue = 3 | pages = 292–301 | date = September 2000 | pmid = 10945801 | pmc = 1737078 | doi = 10.1136/jnnp.69.3.292 }}</ref> In ''[[Neonatal tetanus|trismus nascentium]]'' (i.e. neonatal tetanus), symptoms usually appear from 4 to 14 days after birth, averaging about 7 days. On the basis of clinical findings, four different forms of tetanus have been described.<ref name=CDC2012Pink/>