Tedros Adhanom Ghebreyesus, Director General of the World Health Organization (WHO), speaks to journalists during a press conference at the World Health Organization (WHO) headquarters in Geneva, Switzerland, Thursday April 6, 2023. The head of the U.N. health agency says holiday gatherings and the spread of the most prominent variant globally led to increased transmission of COVID-19 last month. (Martial Trezzini/Keystone via AP, File)