An electron microscope image shows the coronavirus that causes Covid-19. New research suggests that not everyone infected produces antibodies, or long-lasting ones. Photo: AP
There may be no immunity against Covid-19, new Wuhan study suggests
- Researchers behind the non-peer-reviewed paper ran antibody tests on samples from hospital workers who were exposed to infected patients at early stage of outbreak
- Only 4 per cent of 23,000 had antibodies – but they estimated at least 25 per cent could have contracted the disease
An electron microscope image shows the coronavirus that causes Covid-19. New research suggests that not everyone infected produces antibodies, or long-lasting ones. Photo: AP
