Do not freeze. Do not freeze. Do not freeze. Refrigeration is unnecessary. Secure container lids and send by overnight mail.
Refrigeration is unnecessary.
Secure container lids and place in an insulated box on ice or with frozen refrigerant packs. Send by overnight mail. Secure container lids and send by overnight mail. Refrigeration is unnecessary. If same specimens will be tested for both viral and bacterial agents, follow instructions for viral agents.