Terms and Synonyms Searched:
| Terms | Search Results* | Entire Database** |
|---|---|---|
| Synonyms | ||
| vaccine | 23 studies | 11,090 studies |
| COVID-19 | 23 studies | 10,200 studies |
| SARS-CoV-2 infection | 14 studies | 1,665 studies |
| Coronavirus disease 2019 | 4 studies | 957 studies |
| 2019 nCoV Disease | -- | 6 studies |
| 2019 nCoV Infection | -- | 24 studies |
| 2019 Novel Coronavirus Disease | -- | 24 studies |
| 2019 Novel Coronavirus Infection | -- | 20 studies |
| coronavirus 2019-nCoV | -- | 1 studies |
| Coronavirus Disease 19 | -- | 117 studies |
| Disease caused by 2019 novel coronavirus | -- | 1 studies |
| Disease caused by 2019-nCoV | -- | 1 studies |
| Disease caused by SARS-CoV-2 | -- | 33 studies |
| SARS Coronavirus 2 Infection | -- | 5 studies |
| SARS-2 Infection | -- | 1 studies |
| SARS-CoV-2 Disease | -- | 39 studies |
| Severe Acute Respiratory Syndrome Coronavirus 2 Infection | -- | 19 studies |
| Covid19 vaccine | 14 studies | 658 studies |
| SARS CoV 2 Vaccines | 3 studies | 159 studies |
| 2019 nCoV Vaccines | -- | 1 studies |
| Coronavirus Disease 19 Vaccines | -- | 1 studies |
| Coronavirus Disease 2019 Vaccines | -- | 1 studies |
| vaccine | 23 studies | 8,543 studies |
| Covid19 | 23 studies | 9,061 studies |
| SARS-CoV-2 infection | 8 studies | 787 studies |
| Coronavirus disease 2019 | 2 studies | 404 studies |
| 2019 nCoV Disease | -- | 6 studies |
| 2019 nCoV Infection | -- | 10 studies |
| 2019 Novel Coronavirus Disease | -- | 21 studies |
| 2019 Novel Coronavirus Infection | -- | 16 studies |
| coronavirus 2019-nCoV | -- | 1 studies |
| Coronavirus Disease 19 | -- | 57 studies |
| Disease caused by 2019-nCoV | -- | 1 studies |
| Disease caused by SARS-CoV-2 | -- | 5 studies |
| SARS Coronavirus 2 Infection | -- | 5 studies |
| SARS-CoV-2 Disease | -- | 13 studies |
| Severe Acute Respiratory Syndrome Coronavirus 2 Infection | -- | 10 studies |
| -- | No studies found |
| * | Number of studies in the search results containing the term or synonym |
| ** | Number of studies in the entire database containing the term or synonym |