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Covid vaccine effect and threat of Delta variant: Analysis Updated: 2021-06-15 17:06:45 KST

For an expert's check on Covid vaccinations and their effects, we're joined by Dr. Alice Tan, Internist at MizMedi Women's Hospital.
It's always great to have you with us.

The number of people who received at least one shot of covid vaccine in Korea has hit 13 million today, which is about a quarter of the entire population. When asked about vaccine effects thus far, the KDCA said the number of covid deaths and critically ill patients are on a decline. What's your assessment?

President Moon held a virtual meeting with German pharmaceutical giant CureVac's CEO, Franz-Werner Hass and the two agreed to form a new vaccine partnership. CureVac is developing the world's third mRNA vaccine following America's Pfizer and Moderna. What specific areas of cooperation are expected?

The Delta variant first found in India is spreading at a frightening speed battering over 70 countries now. Among the 226 new infections of key variants found over the past week here in Korea, 30 were indentified as the Delta variants while roughly 10-percent of infections in the US are linked to the variant, according to former U.S. FDA chief Scott Gottlieb.
How do you see the threat of the Delta variant to South Korea and the world?

The WSJ has reported, citing British health authorities, that two shots of covid vaccines showed significant protection against the Delta variant with two Pfizer shots showing 96% efficacy against hospitalization and AstraZeneca shots, 92-percent. What are the implications? Could we hope for similar efficacy against other key variants as well?

In related question, does the report tell us anything about the efficacy of one-shot Janssen vaccine? There was an explosive demand for U.S.-provided Janssen vaccine here in Korea with reservations closing in just 18 hours.

Novavax, meanwhile has announced its vaccine showed over 90-percent overall efficacy in a phase 3 trial providing 100-percent protection against developing moderate or severe disease and 93-percent efficacy against new variants of concern. South Korea will bring in up to 20 million doses of Novavax in the third quarter, while SK Bioscience has also signed manufacturing deal with the American firm. What are your prospects for Novavax vaccine and its production in Korea?

The KDCA will announce new set of distancing rules this Sunday, and it's widely expected that the new system will allow private gatherings of up to six people. What are your thoughts on this?

Dr. Alice Tan, Arirang Newscenter's go-to medical expert - thank you as always for your insights. We appreciate it.
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