Things will look completely different in 2-3 months. I would suggest a delay rather than outright cancellation is probably the correct path. There is a new body of knowledge around COVID-19 that suggests a typical exponential rise then a rapid decrease to a low level of endemic activity. See NYC, Sweden, UK, Italy, New Jersey, Massachusetts, Spain. The conventional wisdom around herd immunity and antibodies may not be correct for this particular disease and virus.
Cancel only if necessary and without any alternative.