The Source: Carlito Galvez

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After a slight delay in delivery, roughly half a million doses of AstraZeneca vaccines are expected to arrive in the country tonight.

But an expert warns these vaccines would be deemed ineffective if the South Africa variant is not contained.

And as the vaccine rollout continues, hospitals and clinics report an increase in demand for China's Sinovac vaccine from non-medical workers.

Pinky Webb speaks to vaccine czar Carlito Galvez Jr.