General Information

For both priority 1 and 2 please search for

• studies with results (journal article or preprint article) then 
• trial registry records

The reference type can be selected on our Study Register

Priority 1

Limit search to

• Study Reference Type: Journal Article/Preprint Article
• Intervention Assignment: Randomised 

Any of the following interventions:

1. Hand cleaning with ash
2. Convalescent plasma, convalescent serum or convalescent hyperimmune immunoglobulin 
3. Any intervention in which a core component involves the use of the internet to facilitate video calls or video conferencing through computers, smartphones or tablets
4. chloroquine, remdesivir, or corticosteroids

Priority 2

• Study Reference Type: Journal Article/Preprint Article
• Intervention Assignment: Non-randomised or Unclear or Quasi-randomised 

Any of the following interventions:

1. Hand cleaning with ash
2. Convalescent plasma, convalescent serum or convalescent hyperimmune immunoglobulin 
3. Any intervention in which a core component involves the use of the internet to facilitate video calls or video conferencing through computers, smartphones or tablets
4. chloroquine, remdesivir, or corticosteroids

Searching to identify priority trials

• Search on https://covid-19.cochrane.org/ 

1. Restrict to Study Type: Interventional
2. For the specific interventions:
   1. Text search for ash* 
   2. Text search for convalescent
   3. etc.