Covid health questions

This week, HuffPost UK reader Mattie asked: “Does Covid-19 cause headaches and migraines?"
This week, HuffPost UK reader Jillian asked: “Could Covid be caught through the tap water we are drinking?”
People report the smell and taste of coffee, meat, onions, eggs or garlic becoming foul and acrid. But why?
HuffPost UK reader Terry asked: “Does vaping by an infectious person make spread more likely?”
HuffPost UK reader Gill asked: “I heard research has shown reduced oestrogen makes you more vulnerable to bad Covid. Is this true?”
HuffPost UK reader Robert asked: “Could I have had Covid in December?”
Any death is already one too many – but why aren't fatalities rising as sharply as cases? There are a few factors at play, say scientists.
Since June, dental practices have been steadily reopening across the UK. But many people still can't get an appointment.
Patients have reported changes to their hearing after being diagnosed with coronavirus. Here's what we know so far.
Masks may be needed until we reach herd immunity, say experts. When will that be?