In a video call on Saturday, Maurer pledged a financial contribution from Switzerland to the fund, according to the finance ministry.
No further details were revealed.
The health ministers of the Group of 20 major economies agreed to launch the initiative at a G20 summit in Bali.
Up to 20 donor countries and three charitable organisations said they would contribute a total of $1.4 billion (CHF1.3 billion).
The World Bank and the World Health Organization have projected a pandemic financing gap of around $10.5 billion over the next five years.
The meeting of the health ministers decided to set up a mechanism for fundraising, a task force and a government board, according to the Indonesian government.
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