日本語 
飛沫
英語での表現＆単語の場合は品詞
droplets
可算名詞で常に複数形
可算名詞で常に複数形
英語例文＆出典（必要と思われる場合、可能ならば日本語の対訳をつけていただけると便利かと思います）
Droplets of bodily fluids - such as saliva or mucus - from an infected person are dispersed in the air or on surfaces by coughing or sneezing.
https://www.aljazeera.com/news/2020/01/coronavirus...
Masks are effective at capturing droplets, a main transmission route of coronavirus.
https://www.theguardian.com/world/2020/mar/25/coro...
Respiratory secretions (droplets) containing the virus are likely to be the most important means of transmission; these are produced when an infected person coughs or sneezes.
https://www.gov.uk/government/publications/novel-c...
※secretionsは「分泌物」。
https://www.aljazeera.com/news/2020/01/coronavirus...
Masks are effective at capturing droplets, a main transmission route of coronavirus.
https://www.theguardian.com/world/2020/mar/25/coro...
Respiratory secretions (droplets) containing the virus are likely to be the most important means of transmission; these are produced when an infected person coughs or sneezes.
https://www.gov.uk/government/publications/novel-c...
※secretionsは「分泌物」。
補足・特記事項など
Weblioには「飛沫」でdropletsは載っていないので注意。
https://ejje.weblio.jp/content/%E9%A3%9B%E6%B2%AB
https://ejje.weblio.jp/content/%E9%A3%9B%E6%B2%AB