News Releases

What is COVID-19 vaccine efficacy?

In an incredible scientific feat, COVID-19 vaccines have been developed within less than a year after the virus was first detected. Several vaccines that have become available have shown different levels of efficacy. So what is vaccine efficacy? Dr Lee Hampton, a paediatrician and medical epidemiologist with GAVI, the Vaccine Alliance, explains.

Genome sequencing central to COVID-19 response

Brazzaville – Virus genome sequencing is playing a vital role in the efforts to tackle the COVID-19 pandemic. Sequencing enabled the world to rapidly identify SARS-CoV-2. Knowing the genome sequence allowed rapid development of diagnostic tests and other tools for the response.

Continued genome sequencing is enabling health authorities, governments and researchers to monitor the evolution of COVID-19 and adjust response accordingly.

Africa is getting ready to roll out COVID-19 vaccines

Africa marked the move from planning to action in the rollout of COVID-19 vaccines at a World Health Organization (WHO)-hosted African Health Ministers meeting on 17 February, as a rapid vaccine rollout is expected in the wake of the WHO listing of two versions of the AstraZeneca-Oxford COVID-19 vaccine for emergency use.

New Ebola outbreak declared in Guinea

Health authorities in Guinea today declared an outbreak of Ebola in the rural community of Gouéké in N’Zerekore prefecture after three Ebola cases were confirmed by the national laboratory, marking the first time the disease has been reported in the country since an outbreak ended in 2016.

Rising mortality as Africa marks one year of COVID-19

Deaths from COVID-19 in Africa have surged by 40% in the last month, pushing Africa’s death toll towards 100 000 since the first reported case on the continent on 14 February 2020. This comes as Africa battles new, more contagious variants and gears up for its largest-ever vaccination drive.