If you are not feeling well (in any way whatsoever), you should step down from volunteering for this role.
There are many others who are well and available to help.
Please follow Coronavirus (COVID-19) hand washing and infection control measures at all times, including every time you enter or leave a premise or encounter others.
Wash hands frequently
Use hand-sanitizer frequently where handwashing facilities are not available
Cough or sneeze into a tissue or your elbow
Dispose of tissues in a waste bin
Maintain social distancing of 6 feet
Avoid touching your eyes, nose and mouth