The reason for this is that infected people send viral particles into the air at a faster rate than the airplanes flush them out of the cabin. "Whenever you cough, talk or breathe, you're sending out droplets," said Qingyan Chen, professor of mechanical engineering at Purdue University. "These droplets are in the cabin all the time." .Senate Committee Discusses SGR Alternatives .Studies show the vaccines made by Pfizer and Moderna, the only two approved by the U.S. so far, are fully effective at one to two weeks after the second dose, depending on the vaccine; while they prevent disease, it is not clear whether they prevent asymptomatic infection .As we all know, senior citizens are the most likely to be hospitalized or die from the Covid-19 virus -- by a wide margin. .TSCL enthusiastically supports H.R. 807, H.R. 1902, S. 1909, and H.R. 1205, and we were pleased to see support grow for them this week. For progress updates on these and other TSCL-backed bills, visit the Bill Tracking section of our website. .If adopted, H.R. 1716 would prohibit unauthorized workers from receiving Social Security benefits based on work done while in the country illegally, using stolen, fake, or fraudulent Social Security numbers. TSCL was pleased to see support grow for H.R. 1716 this week, and we will continue to advocate for it on Capitol Hill in the months ahead, since we feel that protecting the integrity of the Social Security program is of utmost importance. .Deficit hawks on Capitol Hill agree that the current inflation index is inaccurate, but instead of adopting a method that actually measures seniors' spending, many have been advocating for an index that would further trim COLAs. The "chained" CPI has been lauded by lawmakers on both sides of the aisle – including President Obama – as a small technical correction that would factor in the substitution that occurs when the prices of certain goods increase. However, since medical care – a major expense for seniors – cannot be substituted for something cheaper, this index would unfairly affect them. After ten years, adopting the "chained" CPI would result in an monthly benefit cut for the average retired couple, and that loss would continue to compound. .Although it hasn't been introduced as legislation yet, some specifics were outlined in a fact sheet released by the group. Under the plan, the government would pay for three-quarters of the cost of the average plan, and for the most expensive enrollees, it would pay ninety percent of the cost. Wealthy seniors would pay a larger share of the cost, and low-income seniors would receive assistance from Medicaid. In addition, the age of eligibility would increase by three months each year, until it hits seventy in 2034. .The amount you pay for your CT scan will vary by your Medicare Advantage plan and whether you get your CT scan from a preferred provider. You will need to call your plan to learn the out-of-pocket cost details, and to make sure the facility, doctors, and medical technicians performing the CT scan are preferred providers with your Medicare Advantage plan. You could pay considerably more if you use providers who are not under contract with your Medicare Advantage plan. Call the customer service number on the back of your health plan's card, have your questions written down and be ready to take notes.