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Resources Archive
SARS-CoV-2/COVID-19
This guidance is intended for clinical laboratory and support staff who handle or process specimens associated with COVID-19.
The federal COVID-19 PHE declaration ended on May 11, 2023.
The majority of Omicron sublineages circulating in the United States have reduced susceptibility to the monoclonal antibody, bebtelovimab and the monoclonal antibody combination, cilgavimab and tixagevimab (EvusheldTM). Antiviral therapeutics for the treatment of COVID-19, ritonavir-boosted nirmatrelvir (Paxlovid™), remdesivir (Veklury®), and molnupiravir (Lagevrio™), retain activity against currently circulating Omicron sublineages.
CDC is launching a new tool to monitor COVID-19 Community Levels. Each county’s COVID-19 Community Level is ranked as low, medium, or high. The community level, updated regularly, will be tied to high, medium or low precautions based on certain factors such as hospitalizations, cases and beds filled.
Evidence suggests that COVID-19 is primarily an airborne disease. Yet the details of how transmission occurs are still debated and frequently misunderstood.
The U.K. is one of the first governments to set out provisional plans for booster shots. It isconcerned that possible further Covid-19 outbreaks over the winter could coincide with awave of influenza and put pressure on the country’s health system
Walach H, Weikl R, Prentice J, et al.
A large-scale survey3 in Germany of adverse effects in parents and children using data of 25 930 children has shown that 68% of the participating children had problems when wearing nose and mouth coverings.
This page includes multiple examples of outdoor activites and the risk for unvaccinated individual wearing the covering by unvaccinated
The developments underscore how the morphing pathogen continues to challenge a return to pre-pandemic life world-wide.
Trial results for a new Regeneron treatment have buoyed hopes that doctors could soon have a new way to tackle severe hospital cases.
The Delta strain is now a variant of concern, with indications it is more infectious than other strains.
The greater decline in COVID-19 morbidity and mortality in older adults, the age group with the highest vaccination rates, demonstrates the potential impact of increasing population-level vaccination coverage.
During April 11–24, 2021, the B.1.1.7 and P.1 variants represented an estimated 66% and 5% of U.S. infections, respectively, demonstrating the potential for new variants to emerge and become predominant.
Pishko A, Bussel JB, Cines DB.
A prospective cohort analysis finds a link between the ChAdOx1 vaccine and an autoimmune disorder known as immune thrombocytopenia—but questions remain and causality is yet to be established.
Havers FP, Whitaker M, Self JL, et al.
The CDC is investigating a few dozen cases of myocarditis, an inflammation of the heart muscle, found in young adults and adolescent vaccine recipients.
Jabs could be tweaked to stop reaction happening, new research suggests
Older people who waited 11–12 weeks for their second jab had higher peak antibody levels than did those who waited only 3 weeks.
The spate of cases is a bad bounce—and it might show that lifting mask mandates for the vaxxed won’t be a grand slam.
Kowarz E, Krutzke L, Reis J, et al.
It is possible for people to be infected through contact with contaminated surfaces or objects (fomites), but the risk is generally considered to be low.
In Mexico, about 80 people received fraudulent doses, and in Poland authorities recovered vials containing antiwrinkle drugs.
Breakthrough cases represent 0.008% of the fully vaccinated population and are in line with expectations because the approved vaccines in the U.S. are not 100% effective.
COVID-19 infection leads to a several-times higher risk of cerebral venous thrombosis (CVT) blood clots than current COVID-19 vaccines.
Due to variants of the coronavirus, people likely will need a booster shot within a year to suppress the pool of those individuals susceptible to Covid-19 per Pfizer Chief Executive Albert Bourla.
n participants aged 12-15 years old, BNT162b2 demonstrated 100% efficacy and robust antibody responses, exceeding those reported in trial of vaccinated 16-25 year old participants in an earlier analysis, and was well tolerated
Updated guidance related to K-12 schools and transmission of SARS-CoV-2- recommendation that “3 feet between students in classrooms could provide a feasible definition of physical distancing so long as other prevention measures are maximized.
Updated information on available serologic tests. Updated information on relationship between presence of anti-SARS-CoV-2 antibodies and immunity from subsequent infection. Guidance on interpretation of SARS-CoV-2 serologic tests performed on persons previously vaccinated for SARS-CoV-2. Guidance for quarantine of seropositive persons who have had recent exposure to someone with suspected or confirmed COVID-19.
Sadoff J, et al.
Polack F, et al.
Baden L.R.et al.
Hatfield KM, Reddy SC, Forsberg K, et al.
Self WH, Tenforde MW, Stubblefield WB, et al.
Reports on the infection rate of healthcare personnel.
The US CDC provides guidance on when individuals in isolation or quarantine may return to work.
Havill N
Jianhui N, et al.
Includes information on building ventilation, slowing the spread at work, employee awareness and training.
CDC offers supplemental information about attending sporting events, as some communities begin to open up.
To enable airlines and other aviation partners to securely manage the passenger document verification process, Timatic solutions require 100% reliable information.
L Mullen, A Kobokovich, et al.
This operational toolkit has been developed to help business owners who are considering reopening or expanding their operations to determine their establishments’ risk of transmission of COVID-19 and how to reduce it.
For maritime pilots, potential sources of exposures include close contact with a vessel crewmember with COVID-19 and touching your nose, mouth, or eyes after contacting surfaces or handling items that a person with COVID-19 has touched.
Guidance for minimizing spread of disease in restaurants and bars.
A single shot of the Pfizer-BioNTech vaccine is 85% effective in preventing symptomatic disease 15 to 28 days after being administered, an Israeli study found.
A single shot of the Pfizer-BioNTech vaccine is 85% effective in preventing symptomatic disease 15 to 28 days after being administered, an Israeli study found.
“In the near future, travel may require digital documentation showing that passengers have been vaccinated
or tested for the coronavirus.”
Johns Hopkins Medicine experts say cases of the flu are extremely low nationwide this year, because more people received the flu vaccine, schools and businesses are holding virtual classes or meetings and fewer people have been traveling.
Comparing the dangerous effects of three diseases with the minimal side effects of their corresponding vaccines.
“Times are tough now, but the end is in sight. If we hunker down, keep our families safe during the holidays and monitor our health at home, life will get better in the spring. Here’s how to get through it.”
Laboratory technologists have been working nonstop to help the nation diagnose an ever-growing number of coronavirus cases.
Wastewater testing is demonstrating the ability to predict an increase in COVID cases several days in advance.
A review of certain airline testing procedures and requirements.
A visual explanation of the immune response for a Covid-19 infection.
With fears of a “twindemic” in the United States this fall, here’s a guide to understanding what’s making you feel terrible.
A review of the WHO response/limitations to the newly emerging SARS-CoV-2.

