Director of Health Services, Malaki Tshipayagae revealed that the nurse was the one screening parliamentarians and the president during a special session of Parliament on Wednesday.
The purpose of the session was to discuss Masisi's proposal that the current state of emergency be extended from 28 days to six months.
"Everyone who was at the Parliament is a casualty. Therefore, we have decided that everyone should go on 14 days quarantine," said Tshipayagae.
Meanwhile, Health Minister Lemogang Kwape has announced that there are seven new confirmed cases of COVID-19 in Botswana, bringing the total to 13.