This comes after it emerged that security agency officials are investigating death threats made against Phindile Baleni, who is a director-general in the Presidency.
The Presidency said on Saturday she found a note accompanied by a bullet in her mailbox at home.
The letter demands that Baleni stop the investigation into the killing of whistleblower Babita Deokaran.
Corruption Watch senior researcher Melusi Ncala says history has shown that whistleblowers’ lives are always at risk.
"Any threat towards a whistleblower is of great concern. In South Africa, and it's mainly due to an exploitation and laws, but also just matters of whistleblowers not being taken seriously enough."
"It should be something that should be viewed in a very serious light and attended as such.
The HHS secretary touted a proposed $1.1 billion IHS budget increase but stayed silent on Medicaid cuts and a rollback of childhood vaccination efforts U.S. Health and Human Services Secretary Robe...