​Frequently Asked Questions — Conferences

The attendees are suggested to stay in the same hotel where the conference venue is located. Attendees can book their accommodation either through our registration page where all the accommodation details is provided (along with prices), or by directly contacting the hotel management. Attendees seeking to book accommodation via us, must know that a block of rooms has been reserved at a special rate and will be filled on a first-come, first-served basis. For more details about the complimentary offers on accommodation, please contact the program managers / scientific committee operators.


For your comfort, business casual is appropriate. We suggest you dress in layers as the temperature in the meeting rooms can vary considerably.?


Yes, registration can be done even before the abstract submission, but prior information must be provided to the program managers about the approximate dates of abstract submission. 


Yes, one-day conference registration is available. Please note that your registration is valid only for sessions and events on that day and badges will be actively checked throughout the conference to ensure that participants have registered properly.


Vaccines 2021 is happy to provide an invitation letter to accompany your visa application after full payment is received. We recommend that as soon as you register and pay the full registration fee, contact info@frontiersmeetings.com with your request. You will receive a PDF printable file Vaccines 2021 letter head via an email attachment.

If you requested the invitation letter but are unable to acquire a visa for travel, vaccines 2021 will refund your registration fee.