An assurance that growing concerns about possible after effects linked to the AstraZeneca vaccine are being carefully monitored here in Trinidad and Tobago.

Last weekend, Director of the Epidemiology Division of the Ministry of Health Dr. Avery Hinds said the World Health Organisation is aware of the concerns.

Dr. Hinds said there is no proof that the side effects are linked to the vaccine.

Medical Chief of Staff at the Eric Williams Medical Sciences Complex, Dr. Joanne Paul said the vaccine remains safe.