References in periodicals archive ?
In general, positive rates of HPIV1 and 2 were lower than that of HPIV3 in all age groups.
HPIV1 was the second one with a higher frequency from 1.51% (43/2843) to 2.43% (97/3990) in every other year, including 2005, 2007, 2009, and 2011.
Although the seasonality of HPIV1 is similar to that of HPIV3 both of them with the peak in summer, the peak of HPIV1 appeared mainly in August or September in every other year, after that of HPIV3, except 2005, which was in June.
Compared to HPIV1 and 2, 3 was shown more positive specimens and higher positive rates in five of the six groups except group of fever ( P < 0.01), especially from patients diagnosed as asthma (8.87%:0.43%:0), bronchitis (8.67%:2.14%:0.32%), and URI (8.27%:3.74%:0.48%).
Among the HPIV positive, 2 patients co-infected with HPIV1 and HPIV3 and 36 with other respiratory viruses.
reported that 4.8% of the samples were positive for HPIV, among which 0.5%, 2.5%, and 1.5% were positive for HPIV1, 3, and 4, respectively, and none were positive for HPIV2.
The age distribution in this hospital-based study indicated that children younger than 3 years old were more likely to be infected by HPIVs, and HPIV3 infection among HPIVs was more common than HPIV1 and 2 in all age groups, especially in those under 3 years of age with the highest frequency (8.63%) in those 6 months to 1-year old.
Acronyms browser ?
Full browser ?
- HPL and Growth Hormone Variant