core window

That timespan in which an HBV-infected patient has detectable hepatitis core antigen—HBc—in the serum, but has yet to produce detectable levels of hepatitis B surface antibody; the ‘core window’ period in hepatitis B thus differs from the ‘window’ period

core window

Infectious disease That timespan in which an HBV-infected Pt has detectable hepatitis core antigen–HBc in the serum, but has yet to produce detectable levels of HB surface antibody; thus 'core window' period in HB differs from the 'window' period. See Hepatitis serology, Window period.
References in periodicals archive ?
We now expect sizeable growth over the coming years as we begin to enter new markets in addition to our core window cleaning, fire and flood restoration cleaning and deep steam cleaning work," Mr Earnshaw said.
K-400 is aimed mainly at foam sheet for interior signs (replacing painted plywood), as well as foam core window profiles and DWV pipe.
Thanks to the alliance of six core Windows 8 gesA[degrees] tures and the Precision Touchpad (PTP), users are ensured a better navigation experience whenever they are using their Extensa 15.
A slight recovery in the personal computer market, which was essentially flat over the past three months after two years of declines, helped sales of Microsoft's core Windows and Office products in the quarter.
Nokia phones ran a wide array of operating systems that weren't helpful to Microsoft's core Windows brand.
The smooth navigation experience is further complemented with the Precision Touchpad that supports six core Windows 8.
Many users want the convenience of a smaller screen tablet, but do not want to lose the performance and convenience of a powerful, quad core Windows 8.
But its core Windows computing operating system, and to a lesser extent the Office software suite, are under pressure from the decline in personal computers as smartphones and tablets grow more popular.
For Microsoft, it was a different story, as the shift to mobile devices hurt its core Windows franchise, and the Surface tablet hit the market with a thud, forcing an inventory adjustment write-down of $900m, limiting profits to $4.
Meanwhile, the company reported a dip in quarterly sales of its core Windows operating system, mirroring a recent downturn in personal computers and sending its shares down slightly.