Search concept	MeSH terms and keywords
Prevalence	“Prevalence” [MeSH] OR “Epidemiology” [MeSH]
Anxiety	“Anxiety”[MeSH] OR “Anxiety Disorder” [MeSH] OR “Anxiety Disorders”[Text Word] “Social Anxieties” [Text Word] OR “Nervousness” [Text Word] OR Anxiousness [Text Word]
Depression	“Depression” [MeSH] OR “Depressive disorder”[MeSH] OR depression[Text Word] OR Depressive Symptoms [Text Word] Emotional Depression [Text Word]
COVID-19	“COVID-19” [MeSH] OR “SARS Coronavirus 2” [MeSH] OR “COVID-19” [Text Word] OR “SARS-CoV-2 Infection” [Text Word] OR “2019 Novel Coronavirus Disease” [Text Word] OR “COVID-19 Virus Infection” [Text Word] OR Severe Acute Respiratory Syndrome Coronavirus 2 Infection [Text Word] OR COVID-19 Pandemic OR Wuhan Coronavirus [Text Word] OR 2019-nCoV OR SARS Coronavirus 2 [Text Word]
India	“India”[MeSH] OR “India” [Text Word] OR “South-east Asia” [Text Word] OR “low- and middle-income countries” [Text Word]