mRNA covid vaccine

Scientists said Monday they have developed the first mobile printer that can produce thumbnail-sized patches able to deliver mRNA Covid vaccines, hoping the tabletop device will help immunise people in remote regions.While many hurdles…

<!-- -->China abruptly abandoned its zero-COVID policy and infections are surging since then.Hong Kong: Scores of mainland Chinese travellers are rushing to Hong Kong to receive mRNA COVID-19 vaccines, which are not available on the…