Reckoningoftheseventhtrumpet Stories

A loud sound of the trumpet was heard all over the world. After that mysterious sound, people started dying one by one due to a strange virus called "Trumpet Virus". The virus is impossible to detect, thus nobody knows what its true nature, how it spreads, or who is infected. The sound of the trumpet continues to play as the number of deaths rises even further- spreading the fear that the seventh trumpet will mark the end of humanity. How will humanity fight an infection that is impossible to detect? Will humanity be able to find the cure for the undetectable virus? Or is it all a question of faith?