Rotich (National Treasury) and Mohammed (Industrialisation) were taken ill after a meal at a trade expo at the Kenyatta International Convention Centre (KICC) and rushed to hospital alongside several other participants. Mohammed has since been discharged.
Director of Medical Services Jackson Kioko attributed the incident to food poisoning.
It comes barely five days after Nasa presidential candidate Raila Odinga was hospitalised after later discharged after taking a meal of fish while on a campaign tour of the Coast.
He was taken off the flight from Mombasa to Nairobi after Governor Hassan Joho realised he was unwell and taken to hospital. He was discharged after undergoing tests and treatment.
Late last month, a least 10 doctors contracted the deadly disease from Weston Hotel were taken to Nairobi Hospital. They were later discharged after staying in hospital for about a week. Two were retained to undergo dialysis.
The government received considerable flak for initially denying it was a cholera outbreak. However, 18 of 25 culture tests returned positive results for cholera.
Related: Cholera outbreak at Ruto’s Weston Hotel
Doctors attending an international conference where the outbreak occurred were from the start positive it was cholera. The hotel is owned by Deputy President William Ruto and the medics accused the Health ministry of seeking to provide “political medicine.”
The cholera was later traced to fish outsourced by the facility.
A cholera outbreak has been reported in at least six counties.