The WHO Director-General Tedros Adhanom Ghebreyesus said the authorities of Uganda and the DRC were consulted before the declaration.
The organisation stated that the outcome of the work would be presented to the 79th World Health Assembly later in May,
WHO says it has supported nine countries to begin rolling out lenacapavir, a long-acting HIV prevention medicine.
The WHO database said heavy weapons were used and that 114 people, including 63 children, were killed and 35 wounded.
WHO has, for the first time since the ceasefire in the Gaza Strip two weeks ago, evacuated severely ill and injured children to safety for urgent treatment.
The army said most of those detained were released following on-site questioning.
“These factors create unjust and avoidable health gaps,” said WHO director-general Tedros Adhanom Ghebreyesus.
The global child vaccination rates remained below pre-pandemic levels last year, WHO and UNICEF reported on Monday.
Mr Tomori, a Nigerian virologist, expressed his concern in an interview in Abuja on Monday.
The WHO has raised alarm over the setbacks in the fight against sexually transmitted diseases.
