Several countries have paused or limited use of the shot amid concern over reports of rare blood clots in recipients.
Mexico began vaccinating adults aged 60 and over last month and plans on inoculating most of the elderly by April.
Despite successful vaccination drive, infections are increasing across Chile, exacerbating deep-seated inequalities.
Yemen's COVID committee has urged the gov't to declare a public health 'state of emergency' amid a surge in infections.
The shot is hoped to help prevent the spread of virus mutations and mass production could begin as early as April.
The United States' $1.9 trillion rescue package and rising vaccinations were primary reasons for the forecast upgrade.
Leading researchers say humans have a year or less before the virus mutates and vaccines are 'rendered ineffective'.
German state halts use of COVID vaccine amid resurgent fears of blood clots as a rare side effect.
'World cannot afford to wait until the pandemic is over to start planning for the next one,' says WHO director.
Plea comes after gov't data showed a lag in vaccine uptake among elderly Britons of African and Caribbean ancestry.
US is averaging 63,000 new daily infections as of Monday, as coronavirus vaccine distribution continues.
Health officials cite 'substantial uncertainty' around rare blood clots and say a risk assessment is under way.
A nearly $60bn burst of basic income assistance softened the economic blow of the pandemic, but it expired months ago.
Turkey, which relaxed measures a month ago, has recently been reporting an average of 30,000 new infections each day.
The privilege to get vaccinated allowed me to think of my future again.
Deborah Birx, coordinator of Trump's COVID task force, says the previous government's pandemic response was lacking.
The new plant, a joint venture with Sinopharm, will have a production capacity of 200 million doses a year.
Draft copy of long-awaited WHO study into COVID origins says lab leak extremely unlikely, The Associated Press reports.
President Pinera says election scheduled for April will now be held in May to combat the rise in coronavirus infections.
Pakistan tightens social distancing and travel restrictions as it bans gatherings in areas with a high number of cases.