Volume 21, Number 2—February 2015
CME ACTIVITY - Research
Infectious Causes of Encephalitis and Meningoencephalitis in Thailand, 2003–2005
Table 3
Pathogen |
Etiologic classification category | Total |
||
---|---|---|---|---|
Confirmed |
Probable |
Possible |
||
Adenovirus | 0 | 0 | 7† | 7 |
Bartonella henselae | 0 | 0 | 0 | 0 |
Chikungunya virus | 0 | 0 | 0 | 0 |
Cryptococcus spp. | 3 | 0 | 0 | 3 |
Dengue virus | 2 | 0 | 0 | 2 |
Epstein-Barr virus | 0 | 3 | 0 | 3 |
Enteroviruses | 6‡ | 0 | 24§ | 30 |
Escherichia coli | 1 | 0 | 0 | 1 |
Herpes simplex virus 1/2 | 1 | 0 | 0 | 1 |
Human herpesvirus 6 | 0 | 0 | 0 | 0 |
Human herpesvirus 7 | 0 | 0 | 1 | 1 |
Haemophilus influenzae¶ | 3 | 0 | 0 | 3 |
HIV | 0 | 0 | 8 | 8 |
Influenza viruses | 0 | 1 | 5 | 6 |
Japanese encephalitis virus# | 15 | 6 | 0 | 21 |
Malaria | 0 | 0 | 0 | 0 |
Measles virus | 0 | 0 | 10 | 10 |
Mumps virus | 0 | 0 | 8 | 8 |
Mycoplasma pneumoniae | 0 | 3 | 1 | 4 |
Nipah virus | 0 | 0 | 0 | 0 |
Neisseria meningitidis | 1 | 0 | 0 | 1 |
Other bacteria | 0 | 0 | 21** | 21 |
Orientia tsutsugamushi (scrub typhus) | 0 | 6 | 0 | 6 |
Parainfluenza viruses 1,2,3 | 0 | 0 | 5 | 5 |
Parasites, other | 0 | 0 | 0 | 0 |
Rabies virus | 0 | 0 | 1†† | 1 |
Rickettsia conorii (spotted fever) | 0 | 3 | 0 | 3 |
Rubella | 0 | 0 | 4 | 4 |
Salmonella group D | 1 | 0 | 0 | 1 |
Streptococcus pneumoniae | 3 | 0 | 0 | 3 |
Treponema pallidum | 0 | 1‡‡ | 0 | 1 |
Varicella-zoster virus | 2 | 0 | 0 | 2 |
West Nile virus | 0 | 0 | 0 | 0 |
Total no. pathogens detected | 38 | 23 | 95 | 156 |
Total no. patients | 37 | 17 | 44 | 98 |
*Strategy used is same as that shown in Table 1. Pathogen categories are not mutually exclusive.
†Only 1 in a cerebrospinal fluid sample was positive by PCR and it was adenovirus type 40.
‡Echovirus 9 (n = 3); echovirus 27 (n = 2); echovirus 30 (1).
§Enterovirus 71 (n = 3); enterovirus, untyped (n = 21).
¶Not typed.
#This number is 1 less confirmed Japanese encephalitis case than previously published (29). The excluded patient had onset of neurologic symptoms 18 d after hospital admission.
**See Table 2 for organisms, excludes coagulase-negative Staphylococcus.
††Record says never vaccinated.
‡‡Serum Venereal Disease Research Laboratory testing only.
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1These authors contributed equally to this article.
2Members are listed at the end of this article.
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