Immunisation Update March 2013 Lisbeth Alley Immunisation Education Facilitator, IMAC New updated CCMG 3 4 www.immune.org.nz 0800 466 863 National Guidelines for Vaccine Storage and Distribution 2012 All Immunisation Providers… - must be CC Accredited (including A and E Depts, public health services) - must use a pharmaceutical refrigerator to store vaccines - fridge must be located against an internal wall - must have a data logger and download this monthly Eligibility for Public Funded Vaccines • The Health and Disability Services Eligibility Direction 2011 has been gazetted and took effect 16 April 2011. www.moh.govt.nz/eligibility. These changes clarify that vaccinations on the Immunisation Schedule are publicly funded for all children. • ..a child is defined as a person who is under 18 years old. • Children ineligible for other health services are eligible to receive funded Schedule vaccines, and providers may claim the immunisation benefit for these children. • All children are also eligible for Well Child/Tamariki Ora services, regardless of immigration and citizenship status. See MOH GP Fax 5 Nov 2012 Vaccine funding • PHARMAC now purchase vaccines on behalf of the MoH • Be mindful of the terms ‘fully funded’, ‘vaccine is funded’ and ‘recommended’ • When vaccines are recommended by a doctor e.g. post chemotherapy, you can apply to the DHB for funding on a case-bycase basis 8 8 month Target commenced 2012 • 85 % of eight month olds will have their primary course of immunisation (six weeks, three months and five months immunisation events) on time by July 2013 • 90 % by July 2014 • 95 % by December 2014. • Precalls essential Pertussis update 2010 - 872 notified cases 2011 - 2015 notified cases 2012 - 5938 in 2012 including 2 deaths, 424 aged < 1 year old 2013 – Jan- 566 new cases notified…30 hospitalised http://www.surv.esr.cri.nz/PDF_surveillance/PertussisRpt/2013/PertussisreportJanuary2013.pdf Broad classification of vaccine types Live attenuated • Viral • Measles • Mumps • Rubella • Varicella • Zoster • Rotavirus • Bacterial • BCG Killed/Inactivated Sub unit and toxoid • Killed refer to bacterial • wPertussis • Inactivated refers to viral • Polio • HepA • Influenza • Excreted toxin • Tetanus • Diphtheria • aP toxin • Selected antigens • HepB • Hib • Pneumococcal • aPertussis • HPV • Meningococcal Images © Dow AgroSciences LLC Fetal safety - rules of thumb • There is no evidence for risk and no biologically plausible risk to a developing fetus from vaccination of the mother using – Sub unit vaccines – Inactivated vaccines – Whole-cell vaccines • There are theoretical risks to the developing fetus from vaccination of the mother using live vaccines but no evidence for harm • There are known risks from Smallpox vaccine NZ Immunisation Handbook 2011 on pertussis vaccination in pregnancy - pg. 24-25 Tdap (Boostrix) vaccine for pregnant women • Now funded for pregnant women between 28 and 38 weeks gestation. Imms Benefit can be claimed from 1st January 2013 • Supported by The NZ College of Midwives • Must obtain informed consent and consider all options- including not vaccinating, vaccinating before, during and after pregnancy • Main goal is to protect infants How soon after Td can Tdap be given? • NZ Immunisation Handbook 2006 stated 2 years6 • Canadian studies show no increase in adverse events for those vaccinated 18-23 months after Td2-5 • The Immunisation Handbook 2011 states “when Tdap is given to protect infants ……..from pertussis, a minimum interval between doses does not apply” 1 • The ITF has just updated its advice to show that no minimum interval is necessary at any age7,8 1. Ministry of Health. NZ Immunisation Handbook 2011. Available at: http://www.health.govt.nz/publication/immunisation-handbook-2011 2 Halperin SA et al. Pediatr Infect Dis J 2006; 25: 195-200. 3 ACIP. MMWR 2006: 55: RR17. 4 Talbot EA et al. Vaccine 2010; 28(50): 8001-07. 5 Canadian National Advisory Committee on Immunization (NACI). Interval between administration of vaccines against diphtheria, tetanus, and pertussis. Can Comm Dis Rep 2005;31:16-19. Available at http://www.phac-aspc.gc.ca/publicat/ccdr-rmtc/05pdf/acs-dcc310809.pdf 6 Ministry of Health. NZ Immunisation Handbook 2006. pg 141. Available at: http://www.health.govt.nz/publication/immunisation-handbook-2006 7 Cameron A. No need for two-year gap between Td and Tdap vaccines. NZ Doctor (7 December 2011). 7 NZ Ministry of Health. GP Fax. 19 16 December 2011. Available at http://www.immune.org.nz/site_resources/GP_fax_-_19_December_2011.pdf Influenza in pregnancy - risk to mother • Excess hospital admissions in healthy women – Similar to non pregnant women with comorbidities • Excess hospital admissions in women with co-morbidities • Increases with gestation • More vulnerable during pandemics – 1918, 27% case fatality rate – 1957, ½ deaths in young women were pregnant – 2009, 13% of all deaths from H1N1 were pregnant Mak TK, Mangtani P, Leese J, Watson JM, Pfeifer D. Influenza vaccination in pregnancy: current evidence and selected national policies. The Lancet Infectious Diseases 2008;8(1):44-52. Influenza in pregnancy - risks to fetus 1. Infection and fever – Associated with congenital abnormalities 2. Associated with increased risk of cancer – Neoplasms of lymphatic and haematopoietic tissue 1957 Asian influenza – Neuroblastomas 3. Increased risk of general complications Shiota K, Opitz JM. Neural tube defects and maternal hyperthermia in early pregnancy: Epidemiology in a human embryo population. American Journal of Medical Genetics 1982;12(3):281-8. Griffiths PD, Ronalds CJ, Heath RB. A prospective study of influenza infections during pregnancy. Journal of Epidemiology and Community Health 1980 June 1, 1980;34(2):124-8. Fedrick J, Alberman ED. Reported Influenza in Pregnancy and Subsequent Cancer in the Child. BMJ 1972 1972-05-27 00:00:00;2(5812):485-8. Hakulinen T, Hovi L, Karkinen-Jääskeläinen M, Penttinen K, Saxen L. Association between Influenza during Pregnancy and Childhood Leukaemia. BMJ 1973 1973-11-03 00:00:00;4(5887):265-7. Linos A, Kardara M, Kosmidis H, Katriou D, Hatzis C, Kontzoglou M, et al. Reported influenza in pregnancy and childhood tumour. European Journal of Epidemiology 1998 1998/07/01;14(5):4715. Irving WL, James DK, Stephenson T, Laing P, Jameson C, Oxford JS, et al. Influenza virus infection in the second and third trimesters of pregnancy: a clinical and seroepidemiological study. BJOG: An International Journal of Obstetrics & Gynaecology 2000;107(10):1282-9. Protect yourself and your patients • Annual influenza immunisation is strongly recommended for all healthcare workers to protect vulnerable patients from the threat of influenza illness. • Many staff continue to work when sick, thereby exposing influenza illness to patients and co- workers • Annual influenza immunisation results in: • improved patient safety • improved employee safety and • decreased healthcare expenditure 19 Influenza vaccine and narcolepsy? • 2010 -Association found in Finland, Sweden & UK - increased risk narcolepsy with Pandemrix H1N1 vaccine in 4-19 yr age group. • China found increased narcolepsy associated with H1N1 pandemic. • Usual onset narcolepsy during adolescence/ young adult • Strong genetic link • All those in Finland had this genotype. • Narcolepsy also associated with URTIs incl strep infections • Incr risk of narcolepsy not found with other other vaccines including other H1N1 vaccines See IMAC fact sheet- Association between Pandemrix and onset of narcolepsy -1/2/2013 Febrile convulsions • In 2010 there was an increase in reports of fever and febrile convulsions in children vaccinated with Fluvax® • A large NZ study with over 4000 infants and children was undertaken in 2010 and 2011. It showed the risk of fever and febrile convulsions following Fluvax® was significantly greater than for other seasonal flu vaccines • The Ministry of Health recommends that children under 9 years should be vaccinated with FLUARIX® • FLUVAX® should not be given to any children with a history of febrile convulsions Meningococcal Vaccines • New Men B vaccine approved in Europe (by Euro Commision from 2 months age) and expected in UK and US soon (4CMenB/ Bexsero®) – Recombinant proteins x 3 + OMP from MeNZB – Adsorbed onto aluminium • Recommendations re Meningococcal vaccines for hostel dwellers (see IH 2011 pg 300) http://www.immune.org.nz/news/new-meningococcal-b-vaccine-europe New Resources – www.immune.org New Resources – www.immune.org ARPHS: www.arphs.govt.nz ARPHS: www.arphs.govt.nz CHOP – Vaccine Education Centre The Panic Virus – Seth Mnookin • "Seth Mnookin's "The Panic Virus" is a lesson how fear hijacks reason and emotion trumps logic. . . . A brilliant piece of reportage and science writing." • --Michael Shermer, "The Wall Street Journal Available at your local library 32