<instructions>Your goal is to analyze the following comment and estimate how highly it will be upvoted by the Hacker News community.</instructions><comment><author>HPsquared</author><text>I use a similar nasal spray for allergies (Becodefence). Basically a physical barrier coating the nasal passages. For me and my allergies, it&amp;#x27;s super effective.&lt;p&gt;Never thought about using it to block viral infections, but it makes sense: coating the nasal passages with artificial &amp;quot;mucus-like substance&amp;quot; so particles don&amp;#x27;t reach the membranes. Makes total sense that approach also work for viruses.</text><parent_chain></parent_chain></comment><story><title>Studies suggest a drug-free nasal spray could ward off respiratory infections</title><url>https://medicalxpress.com/news/2024-09-preclinical-drug-free-nasal-spray.html</url></story>
<instructions>Your goal is to analyze the following comment and estimate how highly it will be upvoted by the Hacker News community.</instructions><comment><author>iandanforth</author><text>I will admit to following the swab-nose-with-neosporin protocol following a previous mouse study with similar results. I use this during travel and have had no short terms ill effects and caught no infections while following it. (Not a doctor, not well controlled, just a random internet guy).&lt;p&gt;&lt;a href=&quot;https:&amp;#x2F;&amp;#x2F;www.ncbi.nlm.nih.gov&amp;#x2F;research&amp;#x2F;coronavirus&amp;#x2F;publication&amp;#x2F;38648490&quot; rel=&quot;nofollow&quot;&gt;https:&amp;#x2F;&amp;#x2F;www.ncbi.nlm.nih.gov&amp;#x2F;research&amp;#x2F;coronavirus&amp;#x2F;publicatio...&lt;/a&gt;</text><parent_chain></parent_chain></comment><story><title>Studies suggest a drug-free nasal spray could ward off respiratory infections</title><url>https://medicalxpress.com/news/2024-09-preclinical-drug-free-nasal-spray.html</url></story>