The XMLHttpRequest object is a developers dream, because you can: 1  Update a web page without reloading the page. 2  Request data from a server-after the page has loaded. 3  Receive data from a server-after the page has loaded.
Adults should get a serogroup B meningococcal vaccine (BexseroÂ® or TrumenbaÂ®) if they: 1  Have a rare type of disorder (complement component deficiency) 2  Are taking a medicine called SolirisÂ®. 3  Have a damaged spleen or their spleen has been removed. 4  Are a microbiologist who is routinely exposed to Neisseria meningitidis.
The vaccines that are recommended include: 1  Human papillomavirus (HPV) 2  Two for Meningococcus (serogroups ACWY and serogroup B) 3  Hepatitis A. 4  Tetanus-diphtheria-pertussis, referred to as Tdap.