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COVID vaccine: Dry ice shortage concerns create Pfizer distribution challenges in fight against coronavirus

The cold chain is just one of the challenges in distributing vaccines worldwide. There are plenty of others: decisions about priority populations and databases to keep track of who s received what vaccine, where and when. Additionally, different vaccines may have more or less efficacy with different population groups; and governments will need PR campaigns to persuade people that vaccines are safe. But the logistics of transporting and storing vaccines getting them from the factory gate to the patient s arm are critical. And as most vaccines are likely to require two doses, the whole chain needs must be repeated within weeks.

Pfizer s COVID-19 vaccine: What are the side effects? Who will get it first? Here s what we know

Who will get it first? The CDC s Advisory Committee for Immunization Practices (ACIP) had previously recommended that health care workers and residents of long-term care facilities should be the first to receive a vaccine when it receives EUA. The first shipments of the vaccine will be limited, so states will have to prioritize who should receive the vaccine first. Both groups are exceptionally high risk, according to Dr. José Romero, chair of the ACIP, which voted earlier this month to recommend those groups be included in what it called Phase 1a of its distribution plan. Keeping doctors and nurses healthy will be important for the continuing fight against the virus, which will stretch on for months, even after a vaccine is authorized. But Romero said that first group also includes other people working in health care institutions, like those who deliver food and perform housekeeping.

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