As prayer is one of the chief objects of the Order of Carmel, the Sisters are constantly called upon from far and near to give the assistance of their prayers in all kinds of spiritual and temporal necessities. The following incident will serve to show with what faith and confidence the people recur to the Community:

In the latter part of the year 1882, small-pox broke out in the city of Baltimore and it was feared that it would become an epidemic. Many persons requested the prayers of the Sisters to avert the calamity, and they chanted daily, in community, the hymn to Our Lady, for help in time of pestilence: “Stella coeli extirpavity” [sic].

In January of 1883, a secular newspaper published the following item: “The Mayor received yesterday a card, signed,  ‘Our City,’ requesting the prayers of the good Carmelite Nuns for the small-pox sufferers.” On hearing of this petition, the Sisters redoubled their supplications and daily went in procession through the cloisters, carrying a statue of Our Lady and chanting the Litany of the Blessed Virgin, with appropriate versicles and prayers. Thus they continued to implore the mercy of God until the faith of the good citizens of Baltimore was rewarded and all danger was at an end.

Charles Currier
Carmel in America: a centennial history of the Discalced Carmelites in the United States (p. 354)