A Sample PubMed.gov search.
| Search Word Used | Hits | Rough Time Frame of Articles Published | Year the Number of Articles Peaked (Number of Articles) | Estimated Rate (Number per Day)* |
|---|---|---|---|---|
| COVID-19 | 42693 | 2020 | 2020 (42679) | 181 |
| MERS in 2020 | 20778 | 2020 | 2020 (20778) | 88 |
| MERS before 2020 | 14048 | Since 2003 | 2003 (1389) | 0.98 |
| SARS in 2020 | 14744 | 2020 | 2020 (14744) | 63 |
| SARS before 2020 | 9217 | Since 1994 | 2004 (1229) | 1 |
| HIV | 367773 | Since 1985 | 2014 (17503) | 29 |
| H1N1 | 21160 | Since 2000 | 2011 (3268) | 3 |
| Spanish Flu | 1700 | Since 1980 | 2010 (166) | 0.12 |
| Ebola | 9449 | Since 2000 | 2015 (2070) | 1.3 |
| H2N2 | 801 | Since 1972 | 2015 (46) | 0.05 |
| H3N2 | 8097 | Since 1972 | 2013 (547) | 0.47 |