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Table 5 Demography and Characteristic of 42Cambodian strains with mutation in Enhancer II and Core Promoter region

From: Existence of hepatitis B virus surface protein mutations and other variants: demand for hepatitis B infection control in Cambodia

No.Isolate NameAge classResidenceGenotypeLength (bp)PreS DeletionEnhancer II and Core Promoter
165317531762/1764
1.C171361m20–29PPC13215 (+)  
2.C171360c0–9PPC13215   (+)
3.C174538m20–29PVC13215 (+) (+)
4.C174537c0–9PVC13215   (+)
5.C171229m30–39PSC13170(+)   
6.C171228c0–9PSC13215   (+)
7.C174493m40–49KTC13215    
8.C174492c0–9KTC13215    
9.C174335m30–39TKB4/C23215    
10.C174334c0–9TKB4/C23215    
11.C174348m30–39TKB4/C23215    
12.C174347c0–9TKB4/C23215    
13.C17145930–39PPC13194  (+)(+)
14.C17106020–29KDC13215 (+) (+)
15.C17211620–29KCC13215    
16.C17216820–29KCC13191(+)   
17.C17390920–29KCC13215  (+)(+)
18.C17049230–39KSC13215    
19.C17104630–39KSC13215    
20.C17256220–29KSB4/C23215    
21.C17040540–49KChB4/C23215  (+) 
22.C17157340–49KChC13215  (+)(+)
23.C17368130–39KChC13227    
24.C17431430–39KChC12961(+)   
25.C17386620–29STC13215   (+)
26.C17155020–29SRC13158(+)   
27.C17447820–29OMC13215    
28.C17327530–39TAC13161(+) (+)(+)
29.C17172820–29PSC13196    
30.C17292030–39KTC13215    
31.C17376420–29KTC13173(+)(+) (+)
32.C17333430–39BTC13215   (+)
33.C17274930–39BTC13215  (+)(+)
34.C17102630–39BTC13215   (+)
35.C17340040–49BTC13215    
36.C17032930–39SRiB2/C23215    
37.C17433730–39TKC13194(+)(+) (+)
38.C17033720–29SRiB4/C23215    
39.C171367c0–9PPB4/C23239    
40.C172147c0–9RKC13215    
41.C174425c0–9PSiB4/C23215    
42.C171594c0–9SRiB4/C23215    
  1. PP Phnom Penh, PV Preah Vihear, PSPursat, KT Kampong Thom, TK Tbong Khmum, KD Kandal, KC Kratie, KS Kampong Speu, KCh Kampong Cham, ST Stung Treng, SR Siem Reap, Sri Svay Rieng, OM Otdar Meanchey, TA Takeo, BT Battambang, RK Ratanak Kiri, PSi Preah Sihanouk, “M”: Male, “F”: Female, “C1”: hepatitis B virus subgenotype C1, “B/C”: hepatitis B virus recombinant B/C, “(+)” indicates mutation occur in the core promoter, PreC and Core regions