Question

translations not available for this section
order to add the colon.)

click the word(s) you want to edit in the sentence below and type your changes.

at the height of world war i, the human population was assaulted by a powerful but very small foreign agent that rapidly appeared seemingly from nowhere the spanish flu.
watanabe t, kawaoka y (2011) pathogenesis of the 1918 pandemic influenza virus. plos pathog 7(1): e1001218. https://doi.org/10.1371/journal.ppat.1001218

Explanation:

The sentence needs a colon to introduce the name of the foreign agent (Spanish Flu) after "from nowhere". So we edit "nowhere" to "nowhere:".

Answer:

Edit "nowhere" to "nowhere:" in the sentence: "At the height of World War I, the human population was assaulted by a powerful but very small foreign agent that rapidly appeared seemingly from nowhere: the Spanish Flu."