mainly through respiratory droplets produced when an infected person coughs, sneezes, or talks,"the CDC says. "These droplets can land in the mouths or noses of people who are nearby or possibly be inhaled into the lungs. Spread is more likely when people are in close contact with one anoth...
Is it possible to have too many vaccine doses? One concern with vaccinating multiple times with the same strain of a virus is that it could train the immune system to only protect against that strain, a phenomenon known as immune imprinting. Offit says that is unlikely to be...
No, I don't think we have my name is li Xiao, my name is Fred Smith. Jimmy practice medicine hi, miss Watson a pleasure to meet you. Jack she is from England. Yes, I think we have met before. It's good to see you again. That's right. Mister li. Mister Fred Miller. Our ma...
Until a vaccine becomes available, the world may be in limbo with distance policies tightening and relaxing when COVID-19 flares up or subsides, according to Gideon Lichfield atMIT Technology Review. “We need to be prepa...
Procurement Minister Anita Anand says Ottawa intends to stockpile enough vaccine supplies to give at least two doses to every Canadian whenever a vaccine is available. There are almost two dozen vaccines in clinical trials around the world and at least 140 more in earlier stages of...
The economy may continue to operate at a reduced capacity, with operating restrictions on small businesses, until a vaccine is available. Such scenarios, discussed at greater length in McKinsey’s broader economic research, could indicate that small businesses may need support over the len...
Meningococcal conjugate vaccineguards against four different strains of bacteria that cause potentially deadly infections of the brain and bloodstream. Kids get it between ages 11 and 12, with a booster at age 16. A vaccine against an extra bacteria strain,meningococcal B,is available for older tee...
In November, Biden added another mandate that required employers with 100 or more employees to ensure that each of their workers is fully vaccinated or tests negative for COVID-19 at least once a week. All of the vaccine mandates affecting the private sector were put on hold as legal ...
to produce a vaccine. 为研究机构研发疫苗争取时间。 They buy this crucial time through tactics that may include widespread testing 他们为赢得这段关键的时间 所采取的策略包括: to identify carriers, 扩大疫苗检测范围 来识别病毒携带者, quarantining the infected and people they’ve interacted with, ...
(18) 1 in 10,000 people who receive the vaccine (19) the smallpox disease from the vaccine itself and dies from it. Consequently, the process, which is truly a (20) , may indeed hide some hidden curses. proportions(pl.)规模;程度;大小。affliction(疾病)痛苦。vaccination n.接种疫苗。eradi...