Because the immune system mounts an inadequate protective response against HIV, an HIV vaccine most likely will not be as effective as proven vaccines used to control or
end global outbreaks, such as yellow fever and polio vaccines, which are nearly 100 percent effective.
Not exact matches
Eight months after the World Health Organization (WHO) declared the swine flu pandemic officially over, an independent expert group has given the
global health agency a decidedly mixed evaluation of how it handled the entire episode, from the
outbreak's frightening beginning to its lackluster
end.
The
global economic crisis that was installed in 1929 only
ended with the
outbreak of World War 2.