All visas are valid for 60 days from the date of issue until the date of entry into the United Arab Emirates, except for the transit visa for 48 and 96 hours, it is valid for 30 days.
Please check that your passport is valid for at least six months when you enter Dubai and pre-visa or airport visa depending on your nationality.
Yes, all visitors are required to obtain health travel insurance that covers all costs related to the infection with "covid - 19" before traveling, in case they do not have any international health insurance.