Indonesia hopes for return to "normal lives" by July

Ariananda Hariadi, the deputy chairman of the Indonesian Medical Biology Association, said the effectiveness of testing also hinged on having more capable regional laboratories.

Health ministry official Achmad Yurianto said 46 labs across the country could now conduct tests.

Monardo said the infection curve in the Indonesian capital Jakarta was flattening, due to large scale social restrictions measures limiting public gatherings and mass transportation that have been in place until May 22.

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According to official data, Jakarta has recorded 3,869 infections and 367 deaths, the most in all 34 provinces.

At the start of the Muslim fasting month of Ramadan, Indonesia has also temporarily halted air and sea travel, with some exceptions, until May 31 in a bid to curb the spread of the virus. The country has the world's largest number of Muslims.

Indonesia has banned citizens' traditional annual exodus from the cities to provinces across the archipelago during the holiday period.