Apart from the intrinsic mutability of influenza viruses, other factors could alter the severity of current disease patterns, though in completely unknowable ways, if the virus continues to spread.

如果病毒继续传播，除了流感病毒内在变异性之外，其它因素也可能会以完全无法预测的方式影响目前疾病模式的严重程度。

youdao

Further sporadic human cases and occasional family clusters can be expected considering the current spread of outbreaks of highly pathogenic H5N1 avian influenza in poultry in some Asian countries.

考虑到一些亚洲国家目前家禽中高致病性H5N1禽流感暴发的扩散，可预期进一步散发的人间病例和偶然的家庭群集。

youdao

Scientists and disaster responders in the Gulf are combining photo-like satellite images and aircraft and shipboard observations with weather and ocean current models to predict the spread of oil.

科学家们和灾难急救者正在墨西哥海湾，结合卫星图像、飞机和船舶上的天气观测资料以及水流模型，预报浮油的蔓延状况。

youdao

In fact,she has even been to the Magnolia Bakery in New York City which helped spread the current craze.

VOA: special.2010.04.12

The current spread of a swine influenza virus has added to these concerns.

VOA: special.2009.07.14

Past influenza viruses have needed more than six months to spread as widely as the current H1N1 virus has spread in less than six weeks, it said.

CNN: Australia to begin first human test of swine flu vaccine

That means domestic policy can't be the principal reason for the current spread between high earners and others.

WSJ: Allan Meltzer: A Look at the Global One Percent

The GL's 2013 updating brings along Mercedes's current spread-wing dash design, with standard Eucalyptus or optional burled-walnut wood veneer flowing into the doors' wainscoting.

WSJ: 2013 Mercedes-Benz GL350 BlueTec Review: A Quiet-Tuned Land Megayacht | Rumble Seat by Dan Neil