Table 1 Dataset sampling frame by topic, date, keywords, and outputs
Topic | Dates covered | Keywords | Number of articles |
|---|---|---|---|
Travel Quarantine Isolation | March 5th- March 31st | [“Travel”] and [“quarantine” or “isolation”] and [“Covid-19” or “Covid19” or “coronavirus”] | 222 (19%) |
Epidemiological models | April 1st- April 30th | [“Model*” or “modelling” or “projection*”] and [“Covid-19” or “Covid19” or “coronavirus”] | 148 (13%) |
Testing | May 5th- May 25th | [“Test*”] and [“Covid-19” or “Covid19” or “coronavirus”] | 106 (9%) |
Face masks | March 1 - July 14th | [“Mask*” or “face mask”] and [“Covid-19” or “Covid19” or “coronavirus”] | 374 (33%) |
Physical distancing | March 20th – April 4th | [“Distancing” or “social distance” or “physical distance”] and [“Covid-19” or “Covid19” or “coronavirus”] | 255 (22%) |
Airborne transmission | May 1st – July 15th | [“indoor transmission” or “aerosol*” or “airborne” or “microdroplet*”] and [“Covid-19” or “Covid19” or “coronavirus”] | 38 (3%) |