"There was a small tube that contained a frozen sample, and it was dropped and the lid came off while the sample was still frozen inside", Dr. Landon King, executive vice dean of the Johns Hopkins School of Medicine, told the outlet.
The two buildings, which are connected by an enclosed, elevated bridge, are research centers.
Baltimore fire officials were not immediately available for comment.
Crowds of medical staff streamed out of the hospital on Thursday afternoon after the Baltimore medical facility ordered an evacuation of two buildings after possible tuberculosis exposure.
Hospital employees said that a fire alarm was pulled and they were told to evacuate. "So far, all indications are that no other individuals have been exposed, however, the buildings will remain evacuated until cleared by public safety officials", the statement read.
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Chinese companies and investors girded for the worst, while economists cautioned any impact on the economy would be minimal. A ship loaded with soy beans was racing the clock this week to reach China before any retaliatory tariffs could be imposed.
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On Wednesday, New Brunswick Fisheries Minister Rick Doucet told the National Post that he has heard multiple reports of armed U.S. Any vessel operator that does not slow down and stop when ordered by Border Patrol agents can be criminally charged, Malin said.
The most recent data from the CDC shows that tuberculosis cases have seen a decline in recent years, with just 9,272 cases reported in the United States in 2016. We have confirmed that there was no risk to anyone on campus.
TB is spread through the air and typically attacks the lungs. Not everyone infected with TB bacteria becomes sick.
Symptoms include coughing up blood, fever, chills, night sweats, shortness of breath, chest pains, weight loss and fatigue. More often, it instead lies dormant in the body, incapable of causing disease or being spreadable. Treatment with antibiotics for four to nine months is required to treat the active disease.
Because the buildings were used for research, no patients were in either building, according to the report. And some strains, doctors have speculated, are even totally untreatable.