The World Health Organization (WHO) called on Wednesday June 29 for the sharing of data on the effectiveness of vaccines once morest Monkeypox, of which more than 3,400 cases – including children – have been listed worldwide since January. “The countries that currently have this vaccine stockpiled, including the United States and under the leadership of the United States, have expressed their willingness to share these vaccines with other countries,” said the executive director in charge of the Program. WHO Health Emergencies Manager, Dr. Michael Ryan, at a press conference. And the expert to specify: “it is very important – while we encourage the sharing of these products – that we can collect the necessary data on clinical effectiveness”. According to the WHO, the actual number of cases might be higher than announced. WHO Director-General Dr Tedros Adhanom Ghebreyesus said he was (29 June) “concerned regarding the sustained transmission” of the virus. “This suggests that the virus is becoming established and can reach high-risk groups, including children, immunocompromised people and pregnant women”, and “this is what we are starting to see with several children already infected,” he explained.