Health experts see his retreat from international cooperation as disrupting the safe-keepers of one of the world’s deadliest pathogens. By William J. Broad In 1999, William J. Broad and two colleagues ...
DEAR DR. ROACH: With the resurgence of measles because of declining vaccination rates, should we be wary of the same happening with smallpox (which was also thought to have been eradicated)? And as an ...
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