The risk of catching and transmitting COVID-19 is 10 times lower if you鈥檙e fully vaccinated, according to an independent modelling group.
The B.C. COVID-19 Modelling Group, made up of scientists from three major B.C. universities, released its seventh report last week.
The data was presented in a video by University of B.C. associate professor of mathematics Eric Cytrynbaum.
鈥淣ot only can vaccinated individuals get infected and pass it on, they often do so asymptomatically, which makes contact tracing 鈥� still an important tool in keeping the virus under control 鈥� much more difficult to carry out,鈥� Cytrynbaum said.
鈥淭his is one of the arguments in favour of continuing to mask, even when fully vaccinated.鈥�
Cases overall are showing a marked increase since B.C. entered Step 3 of its reopening plan, which saw the mask mandate lifted and a loosening of restrictions for various gatherings. The province saw 243 cases on Friday, up from 45 cases two weeks ago on July 16.
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鈥淭his upturn here is mostly driven by what鈥檚 going on in the B.C. Interior,鈥� Cytrynbaum said. With 131 cases reported Friday, Interior Health is responsible for more than half of the day鈥檚 cases across the province despite having about 15 per cent of the population.
Cytrynbaum said that it鈥檚 unclear which of lower vaccination rates (than in the Lower Mainland or on Vancouver Island), the Delta variant or less masking are driving the increase.
The UBC professor said that despite breakthrough cases 鈥� where vaccinated people are infected with COVID 鈥� the vaccines provide a high level of protection. Communities where 70 per cent of the people ages 12 and up have at least one dose have a five times higher rate of COVID infections than those with 90 per cent vaccination rates.
鈥淐learly, vaccination across a community is having an influence on the propagation of infections,鈥� Cytrynbaum said. As of Friday, 81.1 per cent of people ages 12 and up in B.C. have gotten their first dose of a COVID vaccine, with 64.9 having received their second dose.
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