Knowledge of early signs of shock and warning signs for severe dengue, how to make laboratory diagnosis and reported criteria for referral to hospital^.*

<p>* Percentages incorporate survey design weights, and thus may not equal the crude proportions. Fewer than 12% of respondents failed to answer any individual question; the denominator includes only those who answered the question in order to give the most conservative estimate.</p>†<p>1997 WHO case definition defined dengue as an acute febrile illness of 2 to 7 days duration with 2 or more of the following: headache, retro-orbital pain, myalgia, arthralgia, rash, hemorrhagic manifestations, leucopenia. Warning signs include: severe abdominal pain, persistent vomiting, cold and clammy skin/extremities, narrowing pulse pressure, hypotension, change in mental status (e.g., irritability, lethargy).</p><p>Knowledge of early signs of shock and warning signs for severe dengue, how to make laboratory diagnosis and reported criteria for referral to hospital^{<a href="http://www.plosntds.org/article/info:doi/10.1371/journal.pntd.0003192#nt102" target="_blank">.*</a>}