The number of coronavirus cases reported in Indonesia and Thailand is well below what scientists would expect, given how closely connected the countries are to the Chinese city of Wuhan, the epicenter of the outbreak.
That raises concerns that the virus may be spreading undetected in those countries, potentially adding fuel to the epidemic that has so far killed over 600 people and sickened over 31,000.
“Indonesia has reported zero cases, and you would expect to have seen several already,” said epidemiologist Marc Lipsitch at the Harvard T.H. Chan School of Public Health, co-author of a new study posted on medRxiv.
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