Targeted "mop-up" campaigns once wild poliovirus transmission is limited to a specific focal area.
South Asia is where the land and maritime Silk Roads meet. It is therefore a focal area and important cooperation partner for advancing the Belt and Road Initiative.
By using the seismic source model of crack containing hyperpressure gas, the course of radioactive heat energy in the earth to accumulate in the focal area and cause for earthquake are studied.
Hemadsorbing viruses can be titrated by counting the number of focal areas to which RBCs are absorbed.
Localizing the focal areas in residual pancreata showed that they only situated nearby the cut edge, but not uninjured portion.
