BEGIN:VCALENDAR
VERSION:2.0
PRODID:icalendar-ruby
CALSCALE:GREGORIAN
BEGIN:VEVENT
DTSTAMP:20260519T114056Z
UID:ca58320c-9474-4858-b903-b6d9f24b92b1
DTSTART;VALUE=DATE:20260309
DTEND;VALUE=DATE:20260310
SUMMARY:Cohort #2 Starts
END:VEVENT
END:VCALENDAR