User contributions
- 18:56, 30 April 2021 (diff | hist) . . (-24) . . 2457: After the Pandemic (→Explanation: remove excess words)
- 18:52, 30 April 2021 (diff | hist) . . (+1) . . 2457: After the Pandemic (→Explanation: Rearrange - put mask reducible infectious diseases up with the body text, leave title text just about colds)
- 18:40, 30 April 2021 (diff | hist) . . (+147) . . 2457: After the Pandemic (→Explanation: citations)
- 18:38, 30 April 2021 (diff | hist) . . (-84) . . 2456: Types of Scientific Paper (→Table of papers: remove signature in article body)
- 18:35, 30 April 2021 (diff | hist) . . (+359) . . 2457: After the Pandemic (→Explanation: Title text - colds cost 40 billion/year in US. Masks would also help reduce TB.)