Mycobacterium tuberculosis, the causal agent of this disease, invades macrophages and can replicate inside them. Because invasion of macrophages is a critical step for establishing a mycobacterial infection, there is much interest in understanding the mechanisms for M. tuberculosis entry into macrophages.
January 24, 2016. Winter Storm Jonas did not spare Boston its icy wrath, but the Massachusetts city definitely saw a dulled-down version of the blizzard. According to numbers from the National Weather Service, 8.2 inches fell in Boston, 7 inches accumulated in South Boston and 6.1 inches were dropped in the vicinity of Logan International Airport.
Throughout the course of a typical October in Boston, the average low temperatures are brisk but not yet cold enough for snow. During the first week of the month, the average lows are between 49 and 52 degrees Fahrenheit, according to Weather.com.