Level 2 biosafety
Level 1 — This level applies to agents that do not ordinarily cause human disease.
Level 2 — This level is appropriate for agents that can cause human disease, but whose potential for transmission is limited.
Level 3 — This level applies to agents that may be transmitted by the respiratory route which can cause serious infection.
Level 4 — This level is used for the diagnosis of exotic agents that pose a high risk of life-threatening disease, which may be transmitted by the aerosol route and for which there is no vaccine or therapy.
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- Level 3 biosafety
Level 1 — This level applies to agents that do not ordinarily cause human disease. Level 2 — This level is appropriate for agents that can cause human disease, but whose potential for transmission is limited. Level 3 — This level applies to agents that may be transmitted by the respiratory route which can cause […]
- Level 4 biosafety
Level 1 — This level applies to agents that do not ordinarily cause human disease. Level 2 — This level is appropriate for agents that can cause human disease, but whose potential for transmission is limited. Level 3 — This level applies to agents that may be transmitted by the respiratory route which can cause […]
- Levite
A member of an ancient caste of hereditary Jewish priests. Membership in the Levites is determined by paternal descent. The Levites have traditionally been considered the descendants of Levi, a son of Jacob. However, research has disclosed an unusual genetic signature called R1a1 on the Y chromosome in more than half of Levite males of […]
- Levo-
Prefix meaning on the left side, as in levorotation (turning or twisting to the left). The opposition of levo- is dextro-.
- Levocardia
Reversal of all the abdominal and thoracic organs (situs inversus) except the heart, which is still in its usual location on the left. Levocardia virtually always is associated with a congenital heart disease.