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Your search included: Covid19
HHS Combat Covid
Learn more about clinical studies related to COVID-19:
186 Studies found for: vaccine AND Placebo | Covid19

Terms and Synonyms Searched:

Terms Search Results* Entire Database**
Synonyms
vaccine 186 studies 10,142 studies
Vaccination 107 studies 6,206 studies
Immunization 31 studies 2,133 studies
inoculations 2 studies 254 studies
VACCIN 1 studies 39 studies
Placebo 186 studies 67,802 studies
placebo-controlled 132 studies 27,899 studies
fake drug -- 2 studies
sham therapy -- 168 studies
sham treatment -- 513 studies
Covid19 186 studies 5,326 studies
COVID 182 studies 5,243 studies
SARS-CoV-2 124 studies 1,743 studies
severe acute respiratory syndrome coronavirus 2 7 studies 173 studies
2019 novel coronavirus -- 45 studies
2019-nCoV -- 47 studies
Wuhan coronavirus -- 1 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