The spread of an HIV epidemic has been recorded since the last 10 years in Taiwan. Especially amongst those people who inject drugs in their veins. There was a hefty increase in patients suffering from HIV/AIDS since the past 3 years.
The exact number of HIV patients had yet to be reported, hence, a research team conducted a survey using a compartmental mathematical model for disease transmission and HIV/AIDS surveillance data during 2001-2011 in which it was observed that the estimated under reporting ratio in 2011 is 0.45:1 decreased from 1:1 ratio in 2000. Based on the assumption that model parameters remain unaltered, a future prognosis was presented of both the reported and the unreported persons living with HIV/AIDS.
An observed data set from 2012-2014 showed lower than the expected number of persons living with HIV/AIDS and new deaths maybe because of increased treatment. On the other hand, the percentage of newly reported HIV/AIDS patients has increased which further warrants investigation.
For more detail read article: http://benthamscience.com/journals/current-hiv-research/volume/14/issue/2/page/138/