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.
In order to hide a worksheet or tab in Excel, right-click on the tab and choose Hide. That was pretty straightforward. Once hidden, you can right-click on a visible sheet and select Unhide. All hidden sheets will be shown in a list and you can select the one you want to unhide.