Vitamin B12 deficiency: The warning sign that's also a Covid symptom - how to spot it

DUBBED as "harmful", vitamin B12 deficiency can stir up plenty of health problems. Knowing the warning signs and being able to spot them could be crucial. However, there's one key symptom that could be pointing to both a lack of B12 and coronavirus. With Covid cases currently rising, here are other signs that could help to solve the puzzle.
Source: Daily Express - Health - Category: Consumer Health News Source Type: news