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EPISODE · Sep 15, 2026 · 30 MIN

International BA 5 wave

from Dr. John Campbell · host Campbellteaching

Third distinct omicron wave Investigation of SARS-CoV-2 variants: technical briefings https://www.gov.uk/government/publications/investigation-of-sars-cov-2-variants-technical-briefings BA.5 growing 35.1% faster than Omicron subvariant BA.2 BA.5 growing 19.1% faster than Omicron subvariant BA.2 US https://covid.cdc.gov/covid-data-tracker/#new-hospital-admissions Increase in hospital patients, probably our best proxy Or test positivity, (14%) UK hospital data https://coronavirus.data.gov.uk https://www.nytimes.com/interactive/2021/us/covid-cases.html Australia https://www.sbs.com.au/news/article/the-ba-5-omicron-subvariant-is-spreading-in-australia-heres-what-you-need-to-know/uypfrn7h3 Professor Adrian Esterman, University of South Australia Basically of those subvariants ... are all in Australia at the moment and will be competing against each other At the moment BA.2 is the majority of cases in Australia, but BA.5 is starting to take over Australian Influenza Surveillance Report and Activity Updates – 2022 https://www1.health.gov.au/internet/main/publishing.nsf/Content/cda-ozflu-2022.htm 147,155 official notifications 55,101 in the last 2 weeks Influenza A, 83.4% H1N1, 0.8% A and B coinfections, less than 0.1% Highest notification rates in children Zoe data https://health-study.joinzoe.com/data New covid wave https://www.youtube.com/watch?v=kWrU0lF0CF8 Cases, + 225,464 Up 40% on the week Prevalence, one in 27 Scotland, one in 18 UK R = 1.1 BA.5 surge Similar transmissibility as BA.2 Immune escape More reinfections, from this year and last No increase in deaths, a little down on the week Hospitalisations, up 33% on the week Individual risk is less Increases in all age groups Increases in all regions Long covid New cases, + 3,851 (more than 3 months) Omicron, less likelihood of LC compared to delta infection More cases overall due to sheer numbers of infections Risk of getting LC with BA.1 One in 23 infections (more than a month) ONS data UK, 1.7 million infections last week https://www.ons.gov.uk/peoplepopulationandcommunity/healthandsocialcare/conditionsanddiseases/articles/coronaviruscovid19/latestinsights 1,360,600 (1 in 40 people) in England 68,500 (1 in 45 people) in Wales 59,900 (1 in 30 people) in Northern Ireland 250,700 (1 in 20 people) in Scotland London, 25 to 34 year olds Antibodies, January to February 2022 Secondary school pupils 96.6% Primary school pupils 62.4% Dr. Rochelle Walensky (moderna) https://www.nytimes.com/live/2022/06/24/world/covid-19-mandates-vaccine-cases?campaign_id=185&emc=edit_yct_20220624&instance_id=64890&nl=coronavirus-tracker&regi_id=110300449&segment_id=96655&te=1&user_id=0b87b8c1eea981ec0514047bbfa553ca#cdc-moderna-covid-vaccine-ages-6-17 recommending a second safe and effective vaccine for children ages 6 through 17 years Learn more about your ad choices. Visit megaphone.fm/adchoices

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International BA 5 wave

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