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Our knowledge on COVID-19 disease transmission, diagnosis, treatment and prevention enhances with
the ever-increasing number of publications and studies. However, we must not forget that as with many
other potential drugs and vaccines reaching clinical trials there is no guarantee that any of candidate
vaccines currently under development will prove to be successful. On a more personal level, we must all
follow public health measures to prevent the spread of the virus and keep hope that solutions to COVID-
19 global health emergency are found very soon.