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According to https://www.mining.com/sumitomo-halts-mines-in-bolivia-madagascar/ there was a curfew starting Thurs Mar 20 and 2 cities went into strict lockdown on the same date. Both hosts monitored in Madagascar are in the capital city of Antananarivo which has a population of 1.6 million or about 6.1% of the population of Madagascar. Within the two weeks before and after Mar 20 there does appear to be a v ery slight reduction in the variability of the PingER IPDV measurements.
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