Prayut congratulated Sherman on taking up her post, and US President Joe Biden for his victory in the election, expressing hope that the US and Thailand would continue building stronger friendship and cooperation, according to government spokesman Anucha Burapachaisri.
Sherman also praised friendship between the two countries that has lasted for over 188 years, Anucha said.
"She said the US has a policy to help many countries, including Thailand, in seeking Covid-19 vaccines in a bid to enable them to overcome the crisis."
He added that Prayut appreciated the US offer and was willing to commence operations under the vaccine import process.
Anucha said Sherman and Prayut also talked about the climate, bio-circular-green (BCG) economy, human trafficking and the situation in Myanmar.