The news from the UK describes a case of allergy to sunlight from Emily Richardson, a resident of Great Britain, a subject of Her Majesty King Charles III
https://www.thesun.co.uk/health/37173014/vampire-skin-oozes-third-degree-burns-sunlight-allergy/
Most UK's doctors don't believe her, but that doesn't stop her condition or her illness from existing. Some things don't need faith to exist. You may not believe in Mount Ararat, but it still stands there, and it will stand, and it don't care about your opinion and your faith..
It's like a case of incomplete vampirism or it's something new. She suffers from ulcers and redness of the skin if she is exposed to sunlight.
Darkness and light are two forces that regularly affect the planet Earth and its inhabitants every night and day. If there are day dwellers, then there must be night dwellers too, for sake of balance, it's a logical thing.