DAR ES SALAAM, June 5 -- TWENTY years ago, Tanzania faced a very different public health landscape.

HIV remained a major national challenge, laboratory capacity was limited, and disease surveillance systems were far less developed than they are today.

Today, Tanzania is frequently cited as one of Africas stronger performers in HIV treatment coverage and outbreak preparedness.

The transformation has been supported by a long-running partnership between Tanzania and the United States through institutions such as the US Centers for Disease Control and Prevention (CDC) and the Presidents Emergency Plan for AIDS Relief (PEPFAR).

As the CDC marks its 80th anniversary globally and reflects on two decades of work in Tanzania, health officials ...