Meanwhile, US agency expected to authorize company's COVID-19 shots for ages 12 to 15 by early next week

Approval will allow shots for teens before the start of the next school year; Israel has said it'll launch program as soon as US authorities give the nod

European Medicines Agency says it will carry out 'accelerated assessment of data' on shot when submitted by its producers

While vaccine-makers are confident their shots block the current Indian variant, it's transforming the country into a potential breeding ground for new, more resistant mutations

Ugur Sahin, co-founder of company that jointly developed leading COVID-19 inoculation, says shots have proved effective against other similar mutations

Reassuring women worldwide, Hadassah researchers record no difference in ovary function between those immunized and those who are not

But inoculation is still largely a privilege of high-income countries, which are home to 16% of world's population but have given 47% of doses

CEO Albert Bourla 'optimistic' the shots will prove effective against current variants, says they can quickly be adapted to handle new problematic strains

Leaked Health Ministry probe raises concerns as 62 cases of myocarditis found out of 5 million vaccinated -- most after second dose; 2 deaths, but no direct link established

For at least 6 weeks after first COVID shot kicks in, nursing moms produce antibody-packed milk, suggesting they are safe from virus while nursed; no adverse events recorded