Hold the line, please <a href="http://sider-elhadjar.alsolb-dz.com/Act/102/COVID-19-%D8%AA%D9%83%D8%B0%D9%8A%D8%A8-%D8%A7%D9%84%D8%A5%D8%B4%D8%A7%D8%B9%D8%A7%D8%AA-%D8%A8%D8%AE%D8%B5%D9%88%D8%B5.aspx">approved pharmacy</a>  But with these new methods, and a better knowledge of volcanic crisis, a warning, even a short term one, is still better than no warning at all. These new data may prove vital next time. When the signs occur, the eruption is always imminent.