Which is correct here?

Because of such research, practicing physicians are able to administer vaccines for polio, measles small pond other communicable diseases. Which of the following is the best way to write the underlined portion of this sentence? If you think the original is the best way, choose option (1).
(1) polio, measles small pox, and other (2) polio measles small pox and other (3) polio, measles, small pox, and other (4) polio measles, small pox, and other (5) polio and measles and small pox. and other

I agree, except for the typos in the lead-in paragraph.

C polio, measles,smallpox, and other

The best way to write the underlined portion of this sentence is option (3), which is "polio, measles, small pox, and other". This option uses commas to separate each disease and includes the conjunction "and" before the last item in the list to maintain clarity and consistency in the sentence structure.

To determine the best way to write the underlined portion of the sentence, we need to consider the rules of punctuation. Punctuation is used to separate different elements in a sentence and clarify their relationship to each other.

In this case, the underlined portion lists different diseases: polio, measles, and smallpox, along with "other communicable diseases." The correct punctuation would be to use commas to separate each disease name.

Let's analyze the options provided:

(1) polio, measles small pox, and other - This option correctly uses commas to separate each disease name. The correct punctuation is used.

(2) polio measles small pox and other - This option does not use any punctuation to separate the disease names. Commas are necessary to clearly separate the diseases.

(3) polio, measles, small pox, and other - This option correctly uses commas to separate each disease name. The correct punctuation is used.

(4) polio measles, small pox, and other - This option incorrectly places a comma after "measles" but not after "smallpox." Both instances should have commas to separate the disease names properly.

(5) polio and measles and small pox. and other - This option uses the word "and" repeatedly between each disease name instead of using commas. It does not follow the correct punctuation rules.

Based on the analysis, option (1) "polio, measles small pox, and other" is the best way to write the underlined portion of the sentence as it correctly uses commas to separate each disease name.