Acute severe febrile illness (postpone vaccination), impaired immune system or those on haemodialysis may require additional doses. Thrombocytopenia or bleeding disorder. Do not administer IV, SC or intradermally. Do not administer in gluteal region. Anaphylactic events following administration. Syncope (fainting) can occur following, or even before, any vaccination as a psychogenic response to the needle inj. Pregnancy & lactation.