Course and Cancellation Policies. Cancellation Policy. Registration is fully refundable only if course is canceled by The American Academy of Facial Esthetics. We reserve the right to cancel a course for any reason and cannot be responsible for hotel deposits or non-refundable airline tickets or other associated fees.
Type A Influenza: Introduction. Type A Influenza: Type A influenza is a subtype of the influenza virus that can cause cause serious illness and result in pandemics.Influenza is viral respiratory infection.ype A Influenza: Introduction. Type A Influenza: Type A influenza is a subtype of the influenza virus that can cause cause serious illness and result in pandemics.
INFECTIOUS AGENT. Influenza is caused by infection of the respiratory tract with influenza viruses, which are classified into 3 types: A, B, and C. Only virus types A and B commonly cause illness in humans. Influenza A viruses are further classified into subtypes based on 2 surface proteins, hemagglutinin (H) and neuraminidase (N).