imac wcto symposium · 2020. 9. 21. · imac wcto symposium. 1. a/professor tony walls. paediatric...
TRANSCRIPT
IMAC WCTO Symposium
1
A/Professor Tony WallsPaediatric Infectious Diseases Specialist
CoVID -19 in children
• This is not influenza or SARS
• The severity of disease and the transmission dynamics are very different in children
CoVID-19 in children
• NZ and global epidemiology
• Is it safe for children to be in schools?– Transmission dynamics
• What do parents think?
CoVID-19 in NZ children
• No hospital admissions
• Age 0-10yrs – 10 confirmed, 27 probable
• Age 10-14yrs– 29 confirmed, 18 probable
Medical students visited Te Pa o Rakaihautu
MMRW March 18 2020
Otto et al JPIDS June 2020
NZ school clusters
• No clusters in pre-schools or primary schools
• Logan Park High School– No transmission in school
• Marist cluster– Mostly adult cases– Index cases teachers– Only 1 case of child-child
transmission
• 18 individuals with CoVID-19 from 15 schools• 735 students and 128 staff close contacts• No adult contacted disease from a child
COVID-19 in schools – the experience in NSW | April 2020 Report
Cases and contacts among teachers and students in 5 NSW primary schools
COVID-19 in schools – the experience in NSW | April 2020 Report
79% thought it likely/very likely that their child would catch CoVID-19 at school if widespread community transmission
14.5% extremely/very worried about their children catching CoVID-19 just prior to schools opening
NZ Herald Oct 2017
Latin miser – unhappy, pitiable, wretched, in distress
National coverage 2007 - 2011
50
55
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July 2007 July 2008 July 2009 July 2010 July 2011 July 2012
Year
Cove
rage
Annual targets
Immunisation coverage Canterbury
Number of measles notifications by month reported,January 2009 to June 2019
Who gets measles?
NZ cases January – April 2019
Pertussis in infants
Most severe disease in the youngest infants27
This is your baby’s first vaccine
?
Pertussis vaccine in pregnancy
• Passive immunity for babies at birth
• Most protection early in life
• 93% effective in preventing hospital admissions first 3 months