WHO chief urges halt to booster shots for rest of the year The head of the World Health Organization is calling on rich countries with large supplies of coronavirus vaccines to refrain from offering booster shots through the end of the year, expanding a call that has largely fallen on deaf ears WHO urges rich countries to hold off on booster shots until 2022Agency head seeks extension of proposed moratorium to enable all countries vaccinate at least 40 percent of population. COVID-19: Halt vaccine booster shots until end of year, head of World Health Organisation saysTedros Adhanom Ghebreyesus says he is "appalled" by comments from pharmaceutical manufacturers who claim vaccine supplies are high enough to allow for both booster jabs and vaccinations in countries in need of shots. WHO calls for COVID-19 booster shot moratorium until 2022The World Health Organization (WHO) on Wednesday called on rich countries to refrain from giving people booster doses of coronavirus vaccines until at least 2022, expanding an earlier plea that has largely been igno Covax, a program to distribute Covid vaccines, cuts its 2021 forecast for available doses by a quarter.The World Health Organization asked wealthy countries to hold off on administering booster shots for healthy patients until at least the end of the year. COVAX estimates global COVID-19 vaccine deliveries will fall 30 percent below goalThe COVAX program estimates that its global COVID-19 vaccine deliveries will fall almost 30 percent below its goal of sending out 2 billion doses by the end of the year. COVAX vaccine 2021 delivery target cut to 1.425 bln dosesThe global programme providing COVID-19 vaccines to poor countries is on course to fall nearly 30 percent short of its previous goal of 2 billion shots this year, the international organisations running it said on Wednesday. WHO: Wealthy nations prolonging pandemic by hoarding treatments, vaccinesThe World Health Organization (WHO) blasted wealthy nations on Tuesday, saying they are prolonging the pandemic by hoarding treatments and vaccines for the coronavirus.