Plasmodium falciparum is a protozoan parasite that causes an infectious disease known as malaria. P. falciparum is the most severe strain of the malaria species correlated with almost every malarial death. [1] The other 3 species that cause malaria include: P. vivax, P. ovale, and P. malariae.
To set the value of a Boolean attribute, such as disabled, you can specify any value. An empty string or the name of the attribute are recommended values. All that matters is that if the attribute is present at all, regardless of its actual value, its value is considered to be true.
Changes in v2.0.  1 Show Hidden button and counter of hidden listings now in top right of page.  Clicking Show Hidden will make your hidden listings visible but semi-transparent, and replaces the [X] button with an Unhide button, allowing you to make that listing permanently visible again.