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In page Karachi:
"Karachi municipal authorities in 2017 launched a new early warning system that alerted city residents to a forecasted heatwave. Previous heatwaves had routinely claimed lives in the city, but implementation of the warning system was credited for no reported heat-related fatalities.[11] During the 2020–2021 COVID-19 pandemic, vaccines were available in all major hospitals.[citation needed]
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