User Tools

    To create and edit articles, please register and log-in

Main Menu : categories & index etc.

Main menu
Click categories to expand

A-Z listingplugin-autotooltip__plain plugin-autotooltip_bigA-Z listing

This is an alphabetical index of all content pages.

Other categories



Also see

Importance Ratings
Curator's rationale
AI Policy

Twitter feed 𝕏

Feeds + s.e.o. etc.
rss / xml feed
sitemap file
A-Z listing (archived)

Indexed under : Medicine / Diseases / A - F

Wikenigma - an Encyclopedia of Unknowns Wikenigma - an Encyclopedia of the Unknown


Editor's note : Because of the intense, ongoing, global research efforts related to Covid-19, it's difficult to get an accurate picture of the unknown factors. Here are some of the many as-yet-unanswered questions

Why does the virus have much more serious effects in older people? current research partially understood
Were less virulent variants in circulation prior to the major Wuhan outbreak? current research unknown
Has the virus reached peak virulence / infectivity? current research unknown
Will anti-viral drugs eventually be able to cure the disease? current research partial results
What is the incidence of 'Long Covid'? current research insufficient data ref.
Is the incidence of 'Long Covid' affected by the number of times a patient has had Covid? current research unknown
What range of symptoms does 'Long Covid' present? current research under review
How long-lasting are the symptoms of ‘Long Covid’? current research unknown
Is the often-reported 'Brain Fog' part of ‘Long Covid’? current research unknown
Is 'Brain Fog' caused by the virus directly infecting the brain? current research unknown
How long does vaccine protection last? current research estimated only
How long do infection-generated antibodies remain effective? current research estimated only
Which other mammals can contract covid? current research Growing list
Which animals can transmit to humans? current research not known

Importance Rating

    Please share this page to help promote Wikenigma !

Dear reader : Do you have any suggestions for the site's content?

Ideas for new topics, and suggested additions / corrections for older ones, are always welcome.

If you have skills or interests in a particular field, and have suggestions for Wikenigma, get in touch !

Or, if you'd like to become a regular contributor . . . request a login password. Registered users can edit the entire content of the site, and also create new pages.

( The 'Notes for contributors' section in the main menu has further information and guidelines etc.)

Automatic Translation

You are currently viewing an auto-translated version of Wikenigma

Please be aware that no automatic translation engines are 100% accurate, and so the auto-translated content will very probably feature errors and omissions.

Nevertheless, Wikenigma hopes that the translated content will help to attract a wider global audience.

Show another (random) article

Further resources :