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Your search included: Covid19
HHS Combat Covid
Learn more about clinical studies related to COVID-19:
91 Studies found for: vaccine, phase 4 AND Seroconversion | Covid19

Terms and Synonyms Searched:

Terms Search Results* Entire Database**
Synonyms
vaccine, phase 4 -- 0 studies
phase 4 34 studies 30,110 studies
phase iv 11 studies 1,747 studies
fourth phase -- 8 studies
phase four -- 12 studies
phase 91 studies 204,936 studies
Stage 4 studies 32,405 studies
Phased -- 191 studies
vaccine 91 studies 11,608 studies
Vaccination 80 studies 7,258 studies
Immunization 29 studies 2,395 studies
inoculations -- 298 studies
VACCIN -- 48 studies
Seroconversion 91 studies 2,140 studies
Converter -- 53 studies
HIV Seroconverter -- 4 studies
Covid19 91 studies 7,998 studies
COVID 91 studies 7,944 studies
SARS-CoV-2 55 studies 2,619 studies
Novel Coronavirus 5 studies 163 studies
2019-nCoV 3 studies 62 studies
Coronavirus disease 2019 3 studies 357 studies
Severe Acute Respiratory Syndrome Coronavirus 2 3 studies 244 studies
Coronavirus Disease 19 -- 52 studies
SARS Coronavirus 2 -- 20 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