Discarded syringes, used test kits and old vaccine bottles from the Covid-19 pandemic have piled up to create tens of thousands of tonnes of medical waste, threatening human health and the environment, a World Health Organisation report has said.

The material, a portion of which could be infectious since coronavirus can survive on surfaces, potentially exposes health workers to burns, needle-stick injuries and disease-causing germs, the report said.

Communities close to poorly-managed landfills can also be affected through contaminated air from burning waste, poor water quality or disease-carrying pests, it added.